The Commissioner shall, upon application, examine the proceedings of domestic companies to increase or reduce their capital stock, and when found conformable to law shall issue certificates of authority to such companies to transact business upon such increased or reduced capital: Provided, that in no event shall the said capital stock be reduced to an amount less than that required upon organization of such company in N.C. Gen. Stat. § 58-7-75.  He shall not allow stockholders’ obligations of any description as part of the assets or capital of any stock insurance company unless the same are secured by competent collateral. (1899, c. 54, s. 15; Rev., s. 4732; C.S., s. 6335; 1945, c. 386; 1991, c. 720, s. 4.)