All child support forms are categorized and linked below as downloadable files. Select the category you need to see the corresponding forms.In Texas, child support is determined based on the child support guidelines. Monthly Child Support Calculator. This calculator provides an estimate for a single source of income. We take the guesswork out of any alimony payments and spousal support cases to ensure you get the results that you deserve. Speak with our law firm today. Downloadable forms for eFiling, Divorces, and Suites Affecting the Parent-Child Relationship, Child Support, Hail Claims, Legal, LegalEase, and Passports. We have detailed knowledge and expertise in all areas of divorce, including the rules and requirements of spousal support, maintenance and alimony. 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.