Contributions or payments in lieu of contributions shall accrue and become payable by each employer subject to this chapter. Contributions or payments in lieu of contributions shall accrue and become payable by any new employer on and after the date on which he becomes newly subject to this chapter. The contributions or payments in lieu of contributions required under this chapter shall be paid by each employer in such manner and at such times as the secretary may prescribe.
Ala. Code § 25-4-50 (1975)