Hi All, just wondering if anyone has had a run on HMRC letters regarding an underpayment on Weekly payroll's, we have had a few people ask the same question which after a conversation with HMRC has been pointing at week 53 calculation giving a Tax Free allowance instead of the normal W1/M1 routine which obviously doesn't give any allowance at all, we've not seen this before so wondering if Pegasus have actually changed anything during one of the updates