Commonwealth Consolidated Acts Commonwealth Consolidated ActsThe Registrar must make a new provisional notional assessment under section 146B:
(a) if the relevant child support agreement or court order continues in force for more than 3 years--at the end of the 3 year period after the most recent notional assessment relating to the agreement or order was made; or
(b) if the relevant child support agreement was a limited child support agreement--on the request of a party to the agreement; or
(c) in any case--if the amount of child support that is payable under the relevant child support agreement or court order for a day in the child support period changes by more than 15% from the previous day.