(1) An authorizing agent or person or persons who have the right to control final disposition of reduced human remains under RCW 68.50.160(3) to dispose of human remains may do so without a permit.

(2) The authorizing agent may designate another person or entity to dispose of the reduced human remains. Where the designee regularly or occasionally disposes of reduced human remains for others, the designee must register to obtain a disposition permit to dispose of reduced human remains by land, sea, or air, where such disposition is made outside dedicated cemetery property.

(3) Reduced human remains may be scattered in any legal manner including:

(a) National parks, after receiving permission from the chief park ranger.

(b) State trust uplands, after receiving permission from the regional manager for each scattering.

(c) Public navigable waters under state control, including Puget Sound, Strait of Juan de Fuca, rivers, streams, and lakes.

(d) The Pacific Ocean beyond the mean lower low water mark. These scatterings must follow U.S. Environmental Protection Agency's General Permit for Burial at Sea. This includes reporting the burial within thirty days to the regional administrator of the U.S. Environmental Protection Agency, Region 10.

(e) Private land, with the permission of the landowner.