xmlns:atom="http://www.w3.org/2005/Atom" xmlns:atom="http://www.w3.org/2005/Atom"
6. Where, on or after 22nd July 1974, it is necessary in any case for an assessment of disablement to be made in accordance with the provisions of Schedule 1 to a 1964 instrument for any period commencing prior to the said 22nd July, the provisions of the said Schedule 1 in force immediately prior to the said 22nd July shall continue to apply as they would have applied had other provision not been substituted for them by the 1974 instrument.