Call (800) 252-8014 to receive a form in the mail. Apply for Child Support.In this article, learn about how spousal maintenance is ordered, the requirements to be eligible for spousal maintenance, and other important information. This article is intended to alleviate some of the anxiety that can be created regarding the potential of paying spousal maintenance. While it is possible for an individual to be required to pay both child support and spousal support, the two payments do not overlap. These forms allow parents, families, and employers to provide the Child Support Division with additional information so we can better serve you. In most cases, the Texas Family Code provides that spousal maintenance may only be ordered for spouses that have been married for 10 years or longer. Monthly Child Support Calculator. This calculator provides an estimate for a single source of income.