These Regulations amend the Income Tax (Pay As You Earn) Regulations 2003 (S.I. 2003/2682) (“the principal Regulations”) which make provision for the assessment, charge, collection and recovery of income tax in respect of all pay as you earn (“PAYE”) income. These Regulations also amend the Income Tax (Construction Industry Scheme) Regulations 2005 (S.I. 2005/2045) (“the CIS Regulations”) which make provision in relation to the construction industry scheme established by Chapter 3 of Part 3 of the Finance Act 2004 (c. 12).