Activated air pollution control authorities, established under chapter 70.94 RCW, may file certified copies of their regulations and amendments thereto with the pollution control hearings board of the state of Washington, and the hearings board shall take judicial note of the copies so filed and the said regulations and amendments shall be received and admitted, by reference, in all hearings before the board, as prima facie evidence that such regulations and amendments on file are in full force and effect.
[1974 ex.s. c 69 ยง 5.]