Nothing in this chapter shall require any change in a building
permit, site plan or zoning variance which was approved before the
enactment of this chapter but is in violation of this chapter, provided
that construction based on such a building permit shall have been
started within the effective period of the permit, but not to exceed
one (1) year from the effective date of this chapter, and, in the
case of a site plan or variance, a building permit shall have been
issued within one (1) year following the effective date of this chapter.
In all instances, the project shall be continuously pursued to completion;
otherwise said approvals and permits shall be void.