(a) Its board of directors shall submit to the superintendent a written application setting forth the reasons therefor and the proposed location of such station or stations.
(b) The superintendent shall have given his written approval thereto. 3. Every application submitted under either subdivision one or two of this section shall be accompanied by an investigation fee as prescribed pursuant to section eighteen-a of this chapter. 4. By votes cast by a majority of the shareholders of record entitled to vote at a meeting called for the purpose, a credit union, not having perpetual existence, may extend its duration, or, if it ceased to exist because of the expiration of the duration specified in its organization certificate, may revive its existence. Such resolution shall be transmitted to the superintendent, who shall issue, under his hand and the official seal of the department, in triplicate, a certificate setting forth the duration of the credit union as extended, which certificates shall be transmitted and filed in the same manner as authorization certificates.