If payments from this retirement plan are due to a teacher or to the teacher’s spouse under more than one provision of this plan, the teacher or spouse shall elect under which provision and which benefit the teacher or spouse wishes to receive and no payments may be made under any other provision. However, benefits under Alaska Stat. § 14.25.155, 14.25.157, 14.25.160, 14.25.162, 14.25.164, and 14.25.167 shall be paid in addition to those benefits or that service credit a person is entitled to receive because of the person’s own membership in the retirement plan. A teacher may not receive (1) duplicate credit under this plan for the same period of service, (2) more than one year of service credit in the course of a school year, or (3) a benefit while accruing service credit under this plan, except as provided in this section.