There was much confusion about the two methods of tax relief, made considerably worse by the inappropriate titles attached to them:

 Relief at Source (RAS) – where the source of the tax relief is HMRC who provide additional savings at basic rate tax after a claim made by the pension provider, with the expectation that higher rate taxpayers would understand that to get any additional top up they were entitled to they had to take action through the self-assessment system

 Net Pay Arrangement (NPA) – the source of the tax relief is the employer who, despite the suggestion in the title, is required to reduce taxable gross pay to offer the relief at the employee’s highest marginal rate of 20%, 40% or 45%, with no action required by the employee or the pension provider.