Each association shall have power to determine the premiums, contingent liabilities, assessments, penalties and dividends of its members, and to enforce or administer the same without the limitations imposed upon corporations without capital stock by section 33-1057. It shall also have power to make and amend bylaws or regulations for the prompt, economical and safe conduct of its affairs. All bylaws and regulations of each association shall be filed with the Insurance Commissioner and shall be subject to his approval. If not disapproved by him, they shall go into effect thirty days after filing or at such later date as may be indicated in the bylaws or regulations.