The Texas Renewal Application — Hydrostatic Testing Certificate of Registration is a document issued by the Texas Department of Licensing and Regulation that verifies an individual or a company has met the requirements to perform hydrostatic testing in the state of Texas. It is issued for a two-year period and must be renewed prior to the expiration date. There are two types of Texas Renewal Application — Hydrostatic Testing Certificate of Registration: individual and business. The individual application is for an individual who wants to perform hydrostatic testing on their own. The business application is for businesses that want to perform hydrostatic testing for other entities. Both applications require the individual or business to submit proof of the necessary training and qualifications to perform hydrostatic testing, such as an up-to-date hydrostatic testing certification. Additionally, both applications require the individual or business to submit a fee.