In pension cases when a worker or beneficiary closes his or her claim by full conversion to a lump sum or in any other manner as provided in RCW
51.32.130 and
51.32.150, such action shall be conclusive and effective to bar any subsequent application or claim relative thereto by the worker or any beneficiary which would otherwise exist had such person not elected to close the claim: PROVIDED, The director may require the spouse of such worker to consent in writing as a prerequisite to conversion and/or the closing of such claim.