In any instance in which a developer's agreement
has been executed in connection with a development and the said developer's
agreement is in default, any purchaser of any lot or lots constituting
a part or the whole of the development shall be required, as a precondition
to the issuance of any permit on the subject lot or lots, to execute
a supplemental developer's agreement in a form to be approved by the
Municipal Attorney as to legal sufficiency and by the Mayor and Council
as to substantive content.