Time spent on the state retired list shall not be credited in the computation of seniority, pay, length of service, or any of the privileges and exemptions pertaining thereto, except that the time during which he served on active duty by order of the Governor shall be so credited. The provisions of this article relative to resignation, court-martial, dismissal or discharge, including dismissal or discharge on the finding of an efficiency or medical examining board shall be applicable to persons on the state retired list.