It is the duty of the county treasurer of the county in which the regional fire protection service authority created under this chapter is located to collect taxes authorized and levied under this chapter. However, when a regional fire protection service authority is located in more than one county, the county treasurer of each county in which the authority is located shall collect the regional fire protection service authority's taxes that are imposed on property located within the county and transfer these funds to the treasurer of the county in which the majority of the authority lies.