If you want child support services, please complete the online sign up form. Alimony in Florida: Florida Alimony Law FAQs.What are Frequently Asked Questions for Alimony in FL? Learn about Florida Child Support. What Are Florida's Child Support Laws? Learn how Florida's child support guidelines work, including how to calculate support, when child support ends, and how to change the amount of support. This article discusses registering other states' custody and support orders in Texas so that Texas courts can change and enforce them. Learn about the types of alimony available in Florida and how judges decide which type to award, how much the payments should be, and how long they'll last. What is the maximum percent of income allowable to pay for alimony and child support in Florida? Parents are allowed to stipulate and agree to the amount of payments; however, the amount of aid must be in the child's best interests.