81. Effect of initial notice ceasing to be in force.

Where an initial notice1 ceases2 to be in force3, building regulations4 may provide that, if:


    (1)     a plans certificate5 was given before the day on which the initial notice ceased to be in force6;


    (2)     that certificate was accepted by the local authority7, before, on or after that day8; and


    (3)     before that day, that acceptance was not rescinded by a notice9,

then, with respect to the work specified in the certificate, such of the functions of enforcing building regulations10 of a local authority11 as may be prescribed12 are not exercisable or are exercisable only in prescribed circumstances13.

If, before the