§ 18. Guaranty. a. The latest employers of the different members
shall be obligated for:

1. Regular interest charges payable, and special interest, if any, and

2. The creation and maintenance of reserves in the pension
accumulation fund, and

3. The maintenance of annuity reserves and pension reserves, and

4. The payment of all pensions, annuities, retirement allowances,
refunds and any other benefits, and

5. The expenses of the retirement system,
as provided for or granted under the provisions of this article. In the
case of employer contributions required to be made for prior service
allowed pursuant to paragraph three of subdivision b of section
forty-one of this article, the provisions of such paragraph three shall
govern.

b. Except as otherwise provided pursuant to this article, all income,
interest and dividends derived from deposits and investments authorized
by this article shall be used for the payment of such obligations.