Before you start
If you're payrolling your employees' car benefits, add the car details to the employee record but don't submit a P46(Car).
This is because the car details are included in your Full Payment Submission when you payroll a car. To find out more about payrolling benefits, visit our payrolling benefits - the basics guide.
NOTE: If you're payrolling a car, you need to create a BIK pay element in Sage 50 Payroll to calculate the tax due on the notional amount of the benefit.
If you aren't payrolling benefits and an employee has a company car, you need to submit the car details on a P46(Car). Continue to follow this guide to find out more.
Cars and fuel
Before you create a new car record, ensure you have the following information:
- Car registration number
- Make and model
- Engine size
- The date the car was first registered
- The type of fuel or power used
- The car price list
- The date the car was first used
- CO2 emissions
P46 (Car)
If there are any changes of circumstance in car benefit for an employee earning £8,500 a year or more, or for a director who uses the car for their own private use, a form P46 (Car) is required by HMRC. Complete and return it within 28 days of the quarter ending 5 July, 5 October, 5 January and 5 April. Form P46 (Car) is required when:
- You provide an employee or director with a first car, available for private use
- You provide an employee or director with an additional car, available for private use
- An employee whom you provide with a car becomes chargeable on benefits, either because they start earning at a rate of £8,500 or more per year, or become a director
- You withdraw, and don't replace, a car provided to an employee or director
- An employee's car is replaced
Using Sage 50 Payroll you can:
Class 1A NIC
NOTE: Look at the correct legislation table based on when your car was registered.
Class 1A NIC is the national insurance that an employer pays on expenses and benefits in kind provided to their employees. Expenses and benefits include company cars, medical insurance schemes, business travel, and so on.
Sage 50 Payroll can calculate the Class 1A NIC arising on company cars and fuel for you. However, Class 1A NICs aren't payable through the payroll system.
The following rules apply:
- Class 1A NI is payable one year in arrears
- After the end of each tax year, you must complete forms P11D and P11D(b) Employer's Declaration. These forms report to HMRC all the expenses and benefits provided to your employees
Important dates
- Submit forms P11D and P11D(b) Employer's Declaration to HMRC by 6 July each year, for the previous tax year
- HMRC must receive Class 1A NI payments by 19 July each year, for the previous tax year
- Pay payment of Class 1A NI on expenses and benefits by 19 July each year, for the previous tax year
TIP: If you need to calculate the amount of Class 1A national insurance contributions (NIC) you're liable to pay, you can use our handy Calculate Class 1A NIC for cars and fuel guide.
Create a new car record
All cars registered from 1 January 1998 are required by law to be supplied with details of their CO2 emissions. Cars registered after 1 March 2001 have the CO2 emissions recorded on the Vehicle Registration Document (V5).
If you don't already have a record for the car, create a new car record.
TIP: If you need to delete the car record, use our guide to delete car records.
Enter P46 (Car) information for a new car record
After you create a new car record, enter the P46 (Car) information for the new car.
Keep a log of mileage
The mileage log isn't linked to Class 1A NIC calculations. It's simply an area for you to keep a mileage record.
Replace an existing car
From 6 April 2023, HMRC re-introduced the requirement to submit a P46(Car) submission when you replace an employee's car. Use our guide to replace an existing company car and make the submission.
Withdraw a car
If you want to withdraw a car from payroll, use our guide to withdraw a company car.
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