Cap. 591 ст. 50AAccrual of interest. 

In cases where the Tribunal or the Court of Appeal, as the case may be, after having upheld an application to suspend an administrative penalty imposed by the Authority pending proceedings, decides that the administrative penalty is due, such administrative penalty shall be due together with any interests accrued thereon as from the date specified by the Authority for payment, including the period during which the payment of the said administrative penalty was suspended.