Nothing in this chapter shall limit or modify the rights of any person to complete
any development for which a lawful building permit was issued prior to the effective
date of this chapter and on which there has been a good faith reliance and a substantial
change of position. The County Planning and Zoning Director, upon application by the
feepayer, shall determine the extent of the applicability of vested rights. Appeal
of the Zoning Director's determination shall be to the Development Impact Committee
Executive Council in accordance with Section 33J-14 and Section 2-114.1, Code of Miami-Dade County.