If the city subsequently disqualified by failure to meet the minimum requirements of this article, the City Treasurer shall immediately transfer to the general fund of the city the Police Pension and Retirement System Fund, and the balance, which is to the credit of the police officer, shall be paid to each of them in the proportions as each of the police officers have contributed to the fund by deduction from their salaries or otherwise.
(`90 Code, § 1-51)