5 Del. C. § 733

A certified copy of the certificate of incorporation and of the articles of organization and the endorsement of the approval of the State Bank Commissioner shall be filed with the State Bank Commissioner; and when the whole capital stock has been issued, a list of the stockholders, with the name, residence and post-office address of each, and the number of shares held by each, shall be filed with the State Bank Commissioner, which list shall be certified by the president and the cashier or treasurer of the corporation. Upon receipt of the list the Commissioner shall cause an examination to be made of the method of payment of the capital stock and if, after such examination, it appears that the whole capital stock has been paid in cash, and that all requirements of this Code and any other law have been complied with, the Commissioner shall issue a certificate authorizing the corporation to begin the transaction of business. No corporation shall begin the transaction of business until a certificate has been granted.