(1) The board must review the application, the medical evaluation by the board doctor, and any other relevant evidence. The board must determine whether the retiree has met the standards set out in WAC 415-105-130 and is physically and mentally capable of performing his/her duties with average efficiency.

(2) If the board determines that the retiree's disability has ceased, it shall enter its written decision and order including appropriate findings of fact and conclusions of law. The disability board must:

(a) Enter a decision which specifies the date the disability retirement allowance will cease;

(b) Immediately send a copy of the decision and order to the department of retirement systems.