Mutual assessment life associations hereafter organized and admitted under this article, as well as those now transacting business in this state upon the mutual assessment life insurance plan, may insure the lives of their members and provide every insurance applicable thereto or connected therewith, including personal injury, disability, old age, accumulation and annuity benefits, and shall reserve in their policies and articles of incorporation the right to collect additional amounts, assessments or premiums so that the liability of policyholders shall not be limited to fixed, level or stipulated premiums. Any such domestic association shall at all times have and maintain on deposit with the commissioner of insurance pursuant to Kan. Stat. Ann. § 40-229a approved securities in the sum of $10,000 as a guaranty fund for the benefit of its policyholders, and such deposit shall be in addition to all other deposits required by this article.