(a) The Mayor shall collect and deposit in a lockbox maintained by the Chief Financial Officer of the District of Columbia the tax imposed pursuant to § 47-2202.01 as agent on behalf of the Washington Convention and Sports Authority (“Authority”) and shall transfer the revenue from the tax upon receipt to the Washington Convention Center Fund established pursuant to § 10-1202.08. (b) The Mayor may develop and apply a fixed formula to the taxes imposed pursuant to §§ 47-2202 and 47-2202.01 to determine the amount that shall be transferred to the Authority.