like the Family Responsibility Office to enforce the child support payments, you can file it with the court and then register it with the FRO for enforcement. To file your separation agreement, you will need to complete an Affidavit for Filing Domestic Contract or Paternity Agreement (Form 26B) with the court. Updated Income Information Once child support is in place, any person whose income was required to calculate child support must provide updated documentation of their income to the other party each year within 30 days of the anniversary of the court order or separation agreement that sets out the support payment, unless the parties have agreed not to do so in writing. This is done by sending a copy of the most recent Income Tax Return and Notice of Assessment to the other party. In addition, either party can always request income disclosure from the other once a year, as long as his or her income was required to calculate the amount of child support. Once a request for income disclosure is made, all of the documents listed in the section titled "Proof of Income" must be provided, including Income Tax Returns and Notices of Assessment for the past three years. Read answers to common questions about these new rules . The process for motions to change has changed effective September 1st, 2008, and depends on whether the parties both agree to the change that has been requested. For more information about the documents that must be filed in