Within two years after the approval of the tenta-tive map, the subdivider shall cause the preparation of a final map which shall be in approximate conformity with the tentative map or any approved alteration thereof. A one-year extension of such time period may be granted as set forth in § 9-4.509 of this article.
('66 Code, § 9-4.501) (Ord. 275-C-S, passed 3-11-75; Am. Ord. 560-C-S, passed 1-19-84)