(a) A registered library unit shall be subject to visitation and inspection by the department, and so long as it maintains approved standards shall be entitled to the rights and privileges provided by the Education Law.

(b) Library units set up to provide for circulation of materials, and registered by the Regents, may receive annually, so far as the available appropriation permits, apportionments equal to the money raised by them from other sources. One first apportionment may be made to a newly incorporated library before it has been registered.