(1) No person shall carry any firearm or other dangerous weapon as described in chapter 9.41 RCW on the state capitol grounds or in any building on the state capitol grounds: Provided, That this regulation shall not apply to duly authorized federal, state, and local law enforcement officers or to any federal, state, and local government employee authorized to carry firearms in the course of their public employment; and: Provided, That a person may carry a firearm in accordance with chapter 9.41 RCW.

(2) No person may carry into any building on the state capitol grounds any voice-amplification equipment, blow horns, sirens, or other similar noise-producing devices which may be used to disrupt the conduct of state business by state employees.