The first installment of compensation payable under the terms of an award by the commission or under the terms of a judgment of a court upon an appeal from such an award shall become due seven days from the date of such an award or from the date of such a judgment of the court, on which date all compensation then due shall be paid, including interest from the original date of the award at the maximum legal rate. Thereafter compensation shall be paid in installments weekly, except when the commission determines that payment in installments shall be made monthly or in some other manner.
S.C. Code § 42-9-240