In the case of a transfer where any part of the transfer price is contingent upon the occurrence of a future event or the attainment of a future level of financial performance, an additional tax shall be due at the time each additional amount of consideration is furnished and shall be paid directly to the City Collector. A supplemental real estate transfer declaration shall be filed with the City Collector at the time each tax payment is due.
(1999 Code, § 888.15) (Ord. 94-13, passed 3-8-1994)