Similar to a separation agreement Ontario, divorcing parents may consider drafting a child support agreement. When the parents decide on a child support agreement it is of utmost importance that the agreement be put in writing and must be signed by both parents. When deciding the child support amount, it is helpful to take into consideration what the court takes into consideration – the child’s interests. Further, you can consider how much child support a judge is likely to order in your situation. Judges base their decision of the child support amount on Child Support Guidelines that are set out in Federal Child Support Guidelines which are regulations under the Divorce Act. This article will discuss modifying or changing child support.