(1) Any participating unit of local government may create a special escrow account earmarked for the sole purpose of generating revenue to transfer to the housing trust fund.
(2) Notwithstanding any other provision of law to the contrary, a participating unit of local government may specifically authorize that any revenue source, except pension or retirement funds over which the unit of local government has authority to levy and collect, may be used to provide endowment and contributions to the housing trust fund, either directly or through deposit in the special escrow account, and then by transfer to the housing trust fund.