5012 – Location - NINO not entered in the correct format. Should be in the format of 2(letters), 6(numbers) followed by a space or 1(letter) A,B,C,D

5012 – Location - NINO not entered in the correct format. Should be in the format of 2(letters), 6(numbers) followed by a space or 1(letter) A,B,C,D ABS-224

Absolute P11d Online Filing Errors

The most common cause of this rejection is that there is a space in the NINO. Please ensure there are no spaces entered, including at the end.