5. If at the end of any calendar year during the. term of. _this agreement the combined monies received by the GVRD from ‘the. Participating Municipalities exceed the actual costs incurred. by : the GVRD' in providing the services set out in Schedule "A" hereto to the Participating Municipalities then the GYRD wil as soon as practical refund to the Corporation a pro-rata share of such surplus equat to the pro-rata share of the total costs which the Corporation paid to the GVRD for the year in which the surplus. occurred. : 6. The Corporation is aware that the GVRD wil] be entering. into agreements similar to this one with other Participating Municipalities and that the Participating Municipalities may, . establish advisory committees in order to review, ‘monitor and evaluate the services | provided by the GVRD under this agreement. The Corporation is aware “that it is entitled to be represented on such committees and. may appoint representatives to them. _ 7 _ Notwithstanding the execution and delivery hereof, this. agreement shall not come into force and effect until the GVRD advises the Corporation in- writing that such of the GVRD's member municipalities as the GVRD in its opinion reasonably exercised determines are necessary for the GVRD to be able. to provide _the services set out. in Schedule ANS have executed and delivered to the GVRD agreements. similar to this agreement. 3. Subject to paragraph 7 above this. agreement. shal] be in force - for 5 years commencing on the date first above written and terminating on December 31, 1988 unless termi nated pursuant to terms of paragraphs 3. and 9.