Within 60 days after the second publication of the notice of intention to incorporate but not before the expiration of 20 days from the date of the second publication, the incorporators shall apply to the State Bank Commissioner for a certificate that public convenience and advantage will be promoted by the establishment of the bank or trust company.

38 Del. Laws, c. 94, § 6; Code 1935, § 2375; 5 Del. C. 1953, § 725; 57 Del. Laws, c. 740, § 19A; 71 Del. Laws, c. 254, § 7