In section 1 of the Welfare Reform Act 2007 (employment and support allowance), after subsection (6) there is inserted—
In a case where—
an award of an employment and support allowance is made to a person in respect of any period of time before the coming into force of subsection (1), and
the person was not entitled to an employment and support allowance in relation to that period but would have been had subsection (1) been in force in relation to that period,
subsection (1) shall be regarded as having been in force in relation to that period.