SAM121455 - Returns: individuals returns: manual tax calculations: individuals
There is no pre-printed Tax Calculation (SA302) form available for you to issue in a case where you must issue a Tax Calculation manually.
Where you have to manually calculate a taxpayer's liability a Tax Calculator is available on the SEES menu in Excel.
Where you have to issue a Tax Calculation manually you should attach your calculation to a letter to the taxpayer.
Your letter should be written on the following lines
All cases
No revisions necessary:
- Thank you for your [amendment to your] Tax Return which has now been processed without any revision. I enclose my tax calculation based on your [amended] figures
Revisions necessary:
- Thank you for [the amendment to] your Tax Return. I enclose my tax calculation which includes the revisions listed [over page]. These are reflected in the attached calculation
Cases with liability
Balancing charge debit and payments on account due:
- My tax calculation shows total tax due of £[XXXX.XX] for [Year]. This is due as follows
Balancing charge debit only:
- Based upon my tax calculation your payment due for [Year] is £[Balancing charge debit] due by 31 January [Year]
Payments on account only:
- Based upon my calculation your payments due for [Year] are
Balancing charge credit only:
- The overpayment of £[Balancing charge credit] based on your tax return will be repaid, if you have claimed a repayment, after I have settled any other HMRC debts you may have
PAYE case where underpayment is less than £2000.00 and amount to be coded
- I will notify you as soon as possible whether any tax you owe can be collected through your tax code
Where following years payments on account are due
- Based upon my tax calculations your payments on account for [Year] are
Where following years payments on account are not due
- I also calculate that you do not need to make any payments on account for [Year]
Where a claim to reduce payments on account has been made
- Your claim to reduce payments on account will be dealt with as soon as possible
In all cases
- This is not a demand for payment. You should receive a statement nearer the due date for payment telling you how much to pay
Where revisions have been made
- The following revisions have been taken into account in the Tax Calculation. The box numbers refer to the Tax Return sent in by you
Where you want to include a Customer Service Message
- Please note [your own Customer Service Message]
Where there are provisional figures on the return
- I note that your return contains provisional or estimated figures. Please let me have accurate figures as soon as you can.
The liability calculation
- [Set out your calculation of the taxpayer’s liability]
Examples of how you should set out your calculation are available
- Select the calculation which applies
2001/02: Tax Calculation Guide (Word 107KB)
2001/02: Comprehensive Tax Calculation Guide (Word 150KB)
2002/03: Tax Calculation Guide (Word 108KB)
2002/03: Comprehensive Tax Calculation Guide (Word 152KB)
2003/04: Tax Calculation Guide (Word 105KB)
2003/04: Comprehensive Tax Calculation Guide (Word 149KB)
2004/05: Tax Calculation Guide (Word 105KB)
2004/05: Comprehensive Tax Calculation Guide (Word 150KB)
2005/06: Tax Calculation Guide (Word 105KB)
2005/06: Comprehensive Tax Calculation Guide (Word 150KB)
2006/07: Tax Calculation Guide (Word 93KB)
2006/07: Comprehensive Tax Calculation Guide (Word 131KB)

