1967 Excalibur Phaeton Differentials
Keep Your 1967 Excalibur Phaeton in Top Shape with Quality Differentials
Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 1967 Excalibur Phaeton looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Pinion Pilot Bearings, Differential Bearings, and Rear Housing Cover Gaskets. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Top-Rated Differentials from Trusted Brands
Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like National and . For example, National Differentials start at just $16.99 with an average 4.3 star rating. offer similar pricing and quality, backed by strong customer feedback. With over 39 reviews and a solid 5 star average, you can shop with confidence knowing other Excalibur Phaeton owners approve.
Competitive Prices and Extensive Inventory
The average price for a 1967 Excalibur Phaeton Differential at Advance Auto Parts is around $24.34, with a range that starts at $7.99 and goes up to $41.49. With 11 options in stock from 2 trusted brands, finding the right fit is easy. Popular picks like Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket, Tapered Roller Bearing Cone, and Shaft Repair Sleeve start at just $7.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Differential, don’t forget to check out other key components like . At Advance Auto Parts, we’re here to help you keep your 1967 Excalibur Phaeton in peak condition, inside and out.
Find Your Specific 1967 Excalibur Phaeton Differentials
Looking for the perfect Differential for your 1967 Excalibur Phaeton? You’re in the right place. Below, you’ll find links to various types of Differentials that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Differentials, ensuring durability and a precise fit for your Excalibur Phaeton. Whether you’re driving a 1967 model or another popular model year like
,
1982,
1983,
1984,
1985,
1986,
1987,
1988, and
1989, we’ve got you covered. Purchasing Differentials from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Differentials that fit your vehicle.
Essential 1967 Excalibur Phaeton Differentials
Driveworks – Oil Seal (Part No.S-2043)
from
$10.79
Value-priced seal meets all cataloged application requirements.
Product Features:
See More
Product Features:
- Brand may vary by location
National – Multi-Purpose Seal (Part No.5778V)
from
$41.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
- Excellent high temperature capabilities
- Compatible with wide range of fluids
- Delivers quality and reliable performance for every type of repair
National – Differential Pinion Seal (Part No.2043)
from
$17.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -40 Deg. F to 225 Deg. F / -40 Deg. C to 107 Deg. C
- Good low temperature capability
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
National – Multi-Purpose Seal (Part No.9316)
from
$17.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
- Resistance to EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
National – Differential Pinion Seal (Part No.5778)
from
$23.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
- Resistance to EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
National – Shaft Repair Sleeve (Part No.99170)
from
$46.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
National – Shaft Repair Sleeve (Part No.99193)
from
$43.99
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
National – Shaft Repair Sleeve (Part No.99155)
from
$38.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
National – Bearing Race (Part No.25523)
from
$19.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Multi-Purpose Bearing (Part No.A-6)
from
$16.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
- PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN — Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Tapered Roller Bearing Cone (Part No.25577)
from
$32.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Multi-Purpose Bearing (Part No.A-36)
from
$27.99
Product Features:
See More
- CONSISTENT PERFORMANCE: Matched cup and cone components ensure consistent performance
- PREMIUM MATERIALS: Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION: Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN: Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE: Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING: Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6629)
from
$7.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Validated for fit, form and function
- Unsurpassed quality you can trust
National – Bearing Race (Part No.02820)
from
$13.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Bearing Race (Part No.M86610)
from
$9.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Tapered Roller Bearing Cone (Part No.02872)
from
$24.79
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Tapered Roller Bearing Cone (Part No.31594)
from
$33.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Bearings (Part No.31520)
from
$13.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Tapered Roller Bearing Cone (Part No.M86647)
from
$27.49
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Popular 1967 Excalibur Phaeton Differentials Categories
Most Popular Differential Pinion Pilot Bearing for 1967 Excalibur Phaetons
Enhance your 1967 Excalibur Phaeton with this popular Differential Pinion Pilot Bearing we have in stock, for $38.99.
National – Shaft Repair Sleeve (Part No.99155)
from
$38.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
Best-Selling 1967 Excalibur Phaeton Differential Bearings
Upgrade your Phaeton with one of our 3 best-selling Differential Bearings, earning an average 5 stars rating across 25 reviews.
National – Multi-Purpose Bearing (Part No.A-6)
from
$16.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- CONSISTENT PERFORMANCE — Matched cup and cone components ensure consistent performance
- PREMIUM MATERIALS — Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION — Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN — Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE — Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING — Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Tapered Roller Bearing Cone (Part No.25577)
from
$32.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Bearing Race (Part No.25523)
from
$19.99
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Top-Quality Rear Housing Cover Gaskets for 1967 Excalibur Phaetons
Choose a high-quality OEM or aftermarket Rear Housing Cover Gasket for Excalibur Phaetons and enjoy top-notch performance from $7.99.
Felpro – Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (Part No.RDS 6629)
from
$7.99
Fel-Pro® gaskets are specifically designed for the repair environment to deliver a reliable seal on even the most troublesome applications. Designed for imperfect sealing surfaces and manufactured with proprietary materials, you can count on Fel-Pro for innovative sealing solutions for the real-world repair environment.
Product Features:
See More
Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Engineered for the sealing repair environment
- Validated for fit, form and function
- Unsurpassed quality you can trust
Top Picks for 1967 Excalibur Phaeton Differential Pinion Seals
Invest in one of our 2 durable Differential Pinion Seals for your 1967 Excalibur, knowing you’re getting trusted brands and expert craftsmanship.
National – Differential Pinion Seal (Part No.5778)
from
$23.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -20 Deg. F to 300 Deg. F / -29 Deg. C to 49 Deg. C
- Resistance to EP lubricants
- Low swell in hydrocarbon fluids
- Delivers quality and reliable performance for every type of repair
National – Multi-Purpose Seal (Part No.5778V)
from
$41.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
See More
Product Features:
- Design type: spring loaded; multi-lip
- Temperature range: -40 Deg. F to 400 Deg. F / -40 Deg. C to 204 Deg. C
- Excellent high temperature capabilities
- Compatible with wide range of fluids
- Delivers quality and reliable performance for every type of repair
Front Differential Pinion Bearings for 1967 Excalibur Phaetons
Make a smart move for your 1967 Excalibur Phaeton with products all priced from $13.49 to $33.99.
National – Tapered Roller Bearing Cone (Part No.02872)
from
$24.79
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Tapered Roller Bearing Cone (Part No.31594)
from
$33.99
Manufactured with premium-grade steel, National taper bearing cones feature crowned raceways and rollers to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways and rollers for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
National – Bearing Race (Part No.02820)
from
$13.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Bearings (Part No.31520)
from
$13.49
Manufactured with premium-grade steel, National taper bearing cups feature crowned raceways to ensure even load distribution.
Product Features:
See More
Product Features:
- PREMIUM MATERIALS – Precision manufactured using premium-grade steel for outstanding durability and performance
- SMOOTH ROTATION – Crowned raceways for even load distribution
- OE-STYLE DESIGN – Engineered to meet OE specifications
- COMPREHENSIVE COVERAGE – Industry-leading coverage for domestic and import applications
- RIGOROUS TESTING – Comprehensive testing throughout design and development processes by National engineers for quality you can count on
Top-Rated Differential Brands For Your 1967 Excalibur Phaeton
When it comes to finding the perfect Differential for your 1967 Excalibur Phaeton, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 2 trusted brands. We carry the most popular Differential brands including and National, and more, all known for their exceptional customer ratings (average brand rating of 4.6 stars) and competitive prices, as low as $7.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 1967 Excalibur Phaeton, providing peace of mind with parts that meet or exceed OEM standards.
Popular Felpro 1967 Excalibur Phaeton Differentials
If you’re looking for a top-quality Differential for your 1967 Excalibur Phaeton, Advance Auto Parts has exactly what you need with our selection of Felpro Differentials. We have 1 Felpro Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $7.99, you’ll find the perfect Differential for your needs and budget. Felpro Differentials for the 1967 Excalibur Phaeton come highly rated, with over 10 customer reviews and an impressive average rating of 4.6 stars. Choosing a Felpro Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.
Top-Quality National 1967 Excalibur Phaeton Differentials
For those in search of a high-quality Differential for their 1967 Excalibur Phaeton, Advance Auto Parts offers a great selection of National Differentials. With 2 National Differentials in stock, you can trust you’re getting top-tier parts designed for durability and a perfect fit. Prices for these Differentials start at just $16.99, with an average price of $20.24, giving you a range of options to suit your budget. Backed by over 29 customer ratings and an average rating of 4.3 stars, National Differentials provide both reliability and excellent performance. Choosing a National Differential from Advance Auto Parts is a smart investment in your vehicle’s performance and longevity.
FAQs for 1967 Excalibur Phaeton Differentials
What are the best-selling Differentials for 1967 Excalibur Phaetons?
Out of 11 Differentials that fit 1967 Excalibur Phaetons, the following parts are the top sellers:
- Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (5185793) – $7.99
- Tapered Roller Bearing Cone (3271935) – $24.79
- Shaft Repair Sleeve (18445096) – $38.99
What’s the price range for 1967 Excalibur Phaeton Differentials?
The prices of Differentials for the 1967 Excalibur Phaeton range from $7.99 up to $41.49 for the most premium parts.
What is the average price of a Differential for a 1967 Excalibur Phaeton?
The average price for Differentials for the 1967 Excalibur Phaeton is $24.34. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Differentials for other Excalibur Phaeton model years?
What are the cheapest Differentials for my 1967 Excalibur Phaeton?
The cheapest 1967 Excalibur Phaeton Differentials we carry are:
- Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket (5185793) – $7.99
- Bearing Race (3271927) – $13.49
- Bearings (3273903) – $13.49
- Multi-Purpose Bearing (3275973) – $16.99
- Bearing Race (5052610) – $19.99
What are the top-rated Differentials that fit the 1967 Excalibur Phaeton?
The one 1967 Excalibur Phaeton Differential we have in stock is the Axle Housing Cover Gasket Irregular Shaped 10 Bolt Hole Gasket. It is rated 4.5 stars and costs $7.99.
What types of Differentials do you sell for my 1967 Excalibur Phaeton?
As of 3/1/26, these are some of the most in-demand types of Differentials for a 1967 Excalibur Phaeton:
Can I get help with 1967 Excalibur Phaeton Differential orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Excalibur Differentials and more.
What is your return policy for Excalibur Phaeton Differentials?
Advance Auto Parts keeps returns simple. For new Excalibur Phaeton Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.