These Regulations implement Part 4 of the Pensions Act 2011 (c. 19) (“the Act”), section 29 of which clarifies the definition of “money purchase benefits” in section 181 of the Pension Schemes Act 1993 (c. 48) (“the 1993 Act”) and other Acts. Section 29 has retrospective effect to 1st January 1997 and these Regulations make transitional, consequential and supplementary provision to support its commencement.