The validity of a listed building enforcement notice shall not, except by way of an appeal under section 39, be questioned in any proceedings whatsoever on any of the grounds on which such an appeal may be brought.
Modifications etc. (not altering text)
C1Ss. 62–65 modified by S.I. 1990/1519, reg. 13(1); applied (with modifications) by S.I. 1990/1519, reg. 12, Sch. 3