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HMRC internal manual

VAT Registration

Variation of trader’s details - VAT 12 action: completion of the VAT 12M(A)

Field Instruction  
VAT registration number Must be completed in all cases  
Abbreviated name (amend only)  
Enter amended details.    
Oversize Name/Address To set insert ‘Y’  
To remove insert ‘N’    
Full Name (amend only)  
Enter amended details    
Abbreviated Trading Name To amend insert amended details  
To delete write ‘DELETE’    
Trading Name To amend insert amended details  
To delete write ‘DELETE’    
Address (amend only)  
Enter amended details. If space permits, each line of the address should begin on a new line.    
Post Code (amend only)  
Enter amended details    
Telephone number To Insert or amend; enter the full number  
To delete insert ‘DELETE’    
EDR (amend only)  
Enter new date. If amending to an earlier date please refer to section 8    
Legal entity (amend only)  
Tick whichever applies. The effect on the existing registration must be considered.    
Bank details To insert or amend, tick a box for relevant type, bank or Giro bank. For bank accounts, complete details of sort code and account number. For Giro bank accounts, complete the account number only- if a seven digit number is input then the first two spaces should be zeros  
To delete enter ‘DELETE’    
Repayment Trader (amend only)  
Tick as appropriate    
Trade Classification (amend only)  
Enter the required code.    
Stagger (amend only)  
Tick as appropriate    
Validation Before changes are input the form must be validated if any changes are made to sensitive data (see VATREG33150)