Apparently, HMRC now requires all VAT returns to be completed online, and in order to file your accounts online and avoid a FINE, you have to give them your bank details, or your client's bank details, so they can take the money from your account ON A DATE THAT SUITS THEM.'But that...
for this.You could be landed with a bill for hundreds, and sometimes thousands, of pounds.So find out what codes your employer is using and try to understand what it means.You can find a list of all the most common ones and what they mean at: hmrc.gov.uk/ incometax/codes-basics....