5. An application for recalculation is made to SARPA on the date or dates determined by the court. In the absence of such a date, the application may be made, each year, on the anniversary date of the last judgment determining child support or, if more recent, on the anniversary date of the last recalculation. An application may also be made, within one year, in response to a recalculation notice containing a clerical error or calculation error, or in response to a change in the situation of the parents or of their child.