Defined benefit plan service award programs shall be adopted in accordance with article 11-AAA of the General Municipal Law. Prior to consideration of a resolution authorizing adoption of such a service award program, the governing board of a political subdivision shall obtain from the program actuary an estimate of the annual cost of the program. In making such estimate, the program actuary shall calculate each separate component and the total estimated cost of a proposed program. In calculating such costs, the program actuary may rely upon information provided by the political subdivision and any ambulance company having members who are potential participants in the program and shall use the actuarial methodology and assumptions that shall be or are expected to be used to calculate the estimated annual cost of the proposed program as of the last day of the first calendar year ending after the effective date of the program. The program actuary shall disclose to the political subdivision in writing the fee for preparing the estimated annual cost of the program before beginning the cost estimate calculation. If a member of the Comptroller's staff is not the program actuary, the fee for preparing the cost estimate shall not exceed the amount which the program actuary is permitted to charge for such service pursuant to an agreement between the program actuary and the Comptroller. The sponsor shall pay such fee to the program actuary after rendition of the service promptly following receipt of the appropriate billing documents.