Notwithstanding any provision of law to the contrary, the board of commissioners of a port district may file with the clerk of the county legislative authority a certified copy of the port district final budget, provided for in RCW 53.35.040, on the first Monday in December. The board of port commissioners may also set other dates relating to the budget process, including but not limited to the dates set in RCW 53.35.010 and 53.35.020 to conform to the alternate date for final budget filing.