33.1. When section 17 of the Act respecting the Pension Plan of Peace Officers in Correctional Services (chapter R-9.2) applies, the service established under sections 31 and 32 is credited up to one year in excess of the service credited under the Pension Plan of Peace Officers in Correctional Services. The pensionable salary attached to pensionable employment under this plan is the salary determined in accordance with Division I of this chapter, multiplied by the service credited under the first paragraph over the service established under sections 31 and 32.