Alaska Stat. § 14.42.250
It is the intention of the legislature that a pledge made in respect to bonds of the corporation shall be valid, perfected, and binding from the time the pledge is made; that the money or property so pledged and thereafter received by the corporation shall immediately be subject to the lien of the pledge without physical delivery or further act; and that the lien of the pledge shall be valid and binding as against all parties having claims of any kind in tort, contract, or otherwise against the corporation irrespective of whether the parties have notice. Neither the resolution, trust agreement, nor other instrument by which a pledge is created need be recorded or filed under the provisions of AS 45.01 - AS 45.08, AS 45.12, AS 45.14, and AS 45.29 (Uniform Commercial Code) to be valid, perfected, binding, or effective.
AS 14.42.250