15. Within their respective territorial jurisdiction, the administrators, in conformity with this act and the regulations made thereunder, shall pronounce upon matters of eviction, prolongation of leases and fixing of rents, and they shall hear and decide such contestations as arise in respect thereof between lessors and lessees.
They shall have all necessary powers to conduct inquiries, to summon, swear and hear witnesses and compel them to appear and to produce documents.
Their decisions are final, except in the cases contemplated by section 12 and subject to sections 17 to 22.
1950-51, c. 20, s. 16; 1975, c. 84, s. 6.