The division may provide primary public safety answering point services to a political subdivision that has a population of fewer than twenty-five thousand at the time an agreement is signed for services with the division. The division shall charge the apportioned amount consistent with the actual costs of providing the primary service per telephone access line and wireless access line. The fee for primary public safety answering point services must be charged to and paid by the political subdivision receiving services from the division under this section from and after the date of the agreement entered into by the political subdivision or its designee under section 57-40.6-05. The division may provide primary public safety answering point services and other public safety answering point related services during emergencies and other times of need as agreed in a mutual aid agreement. Charges for services must be specified in the mutual aid agreement. Each political subdivision currently receiving primary public safety answering point services from the division shall abide by the standards established by law.