Upon the withdrawal from service of an employee who is not eligible for a service or disability pension, the accumulated contributions with interest shall be paid to the employee.
29 Del. C. 1953, § 5530; 57 Del. Laws, c. 592, § 1; 61 Del. Laws, c. 453, § 6; 65 Del. Laws, c. 342, § 3; 70 Del. Laws, c. 186, § 1.