In subsection (1)(b) of section 1 of the 1967 Act (requirement that person claiming entitlement to enfranchisement or extension has been tenant of house for last three years or for periods amounting to three years in last ten), for "three years or for periods amounting to three years in the last ten years" substitute ." two years "
After subsection (1A) of that section insert—
In—
for "three years" substitute ." twelve months "