(Personalized Seal). The new certificate should be filed within 60 days after the occurrence of the events which necessitate the filing.This set provides coverage of every aspect of probate law and estate and trust administration in Texas. It includes sample forms and letters. Once you enter the name and date of birth, click the details button. You can also use the citation number to pull it up. If filing only an order, a cover letter should be submitted as the lead document with the proposed order as an attachment. All Texas residents can apply for a name change under Texas Family Code Chapter 45. Original signatures are required, only black or blue ink are acceptable, and no alterations are allowed on this form. All sections of this form must be properly completed in order for this document to be accepted.