Per, http://lawfilesext.leg.wa.gov/biennium/2021-22/Pdf/Amendments/Senate/5038-S AMS VAND S1370.2.pdf
The "added" offending section from SENATE bill 5038 - revised
(2)(a) Except as provided in (c) of this subsection, it is
33 unlawful for any person to openly carry a firearm or other weapon as
34 described in this chapter at any permitted demonstration. This
35 subsection (2)(a) applies whether the person carries the firearm or
36 other weapon on his or her person or in a vehicle.
37 (b) It is unlawful for any person to openly carry a firearm or
38 other weapon within 250 feet of a permitted demonstration after a
39 duly authorized state or local law enforcement officer advises the
40 person of the permitted demonstration and directs the person to leave
1 until he or she no longer possesses or controls the firearm or other
2 weapon. This subsection (2)(b) does not apply to any person
3 possessing or controlling any firearm or other weapon on private
4 property owned or leased by that person.
5 (c) Duly authorized federal, state, and local law enforcement
6 officers and personnel are exempt from the provisions of this section
7 when carrying a firearm or other weapon in conformance with their
8 employing agency's policy. Members of the armed forces of the United
9 States or the state of Washington are exempt from the provisions of
10 this section when carrying a firearm or other weapon in the discharge
11 of official duty or traveling to or from official duty.
12 (d) For purposes of this subsection, the following definitions
14 (i) "Permitted demonstration" means either: (A) A gathering for
15 which a permit has been issued by a federal agency, state agency, or
16 local government; or (B) a gathering of 15 or more people who are
17 assembled for a single event at a public place, including a march,
18 rally, vigil, sit-in, or picketing, which has been declared as
19 permitted by the chief executive, sheriff, or chief of police of a
20 local government in which the gathering occurs.
21 (ii) "Public place" means any site accessible to the general
22 public for business, entertainment, or another lawful purpose. A
23 "public place" includes, but is not limited to, the front, immediate
24 area, or parking lot of any store, shop, restaurant, tavern, shopping
25 center, or other place of business; any public building, its grounds,
26 or surrounding area; or any public parking lot, street, right-of-way,
27 sidewalk, public park, or other public grounds.