The National Health Service (Travel Expenses and Remission of Charges) Amendment Regulations 2011
The Income Tax (Earnings and Pensions) Act 2003 (Section 684(3A)) Order 2011
The Income Tax (Pay As You Earn) (Amendment) (No.3) Regulations 2011
The Finance Act 2009 (Consequential Amendments) Order 2011
Source: www.legislation.gov.uk