(a) Organization.--The boroughs of any county or of two or more adjoining or nearby counties may organize a county or regional association of boroughs, composed of elected and appointed borough officers in the county, organized for the purpose of furthering the interests of the boroughs in the county or regional association of boroughs and their inhabitants.

(b) Appropriation.--A borough may annually appropriate no more than $100 for the support of the county or regional association of boroughs.

(c) Expenses.--The following shall apply:

(1) The borough may pay the following expenses of each delegate for attendance at a meeting of the county or regional association of which the borough is a member:

(i) The registration fee.

(ii) Mileage for use of a personal vehicle or reimbursement of actual transportation expenses going to and returning from the meeting.

(iii) Any actual expenses that the council may have agreed to pay.

(2) Every delegate attending the meeting shall submit to the council an itemized account of expenses incurred.

(d) Compensation.--The council may authorize borough employees to be compensated at their regular employee rate during their attendance at a meeting of the county or regional association. The council solely may authorize the mayor and any council member who is not employed by the borough to receive total or partial reimbursement for lost wages or salary while attending the meeting if sufficient documentation is presented to the council to justify the reimbursement.

(e) Other members.--A county or regional association of boroughs may admit representatives of political subdivisions other than boroughs within the county as members. Members admitted under this subsection may not participate in any matter of concern solely to boroughs.