118(2)Where an order for child support or an order for the support of a child at or over the age of majority has been made and the court is satisfied that a change of circumstances as provided for in the regulations respecting orders for child support has occurred since the making of the order under subsection 115(1) or since the making of the last order under this section, if any, in respect of the support of a child or a child at or over the age of majority, the court may, upon the application of any person named in the order or referred to in subsection 115(3) and subject to paragraph 113(2)(
b), subsections 115(1.1) to (1.6) and the regulations respecting orders for child support, as the case may be,