Public Service Pensions (Single Scheme and Other Provisions) Act 2012
Pension benefits to be paid to Scheme members or former Scheme members.
12.— A person who is or was a member of the Scheme shall not be paid a pension and no entitlement shall exist—
( a) to retire or receive a pension or lump sum at a particular age or following a particular length of service, or
( b) to remain in service beyond a particular age,
other than under this Chapter, to or in respect of service to which a pension under the Scheme relates.