The Office of Court Administration has provided an overview of who is qualified to file a Non-Disclosure and instructions on how to file one. Please click on the link below that will take you to their forms page for the required documents and instructions.
Link to Non-Disclosure: http://www.txcourts.gov/rules-forms/orders-of-nondisclosure/
Statement of Inability to Pay Costs:
For more information: https://texaslawhelp.org/article/court-fees-fee-waivers
Statement of Inability to Afford Court Costs or an Appeal Bond
Statement of Inability to Afford Court Costs or an Appeal Bond (Spanish)