Most documents must now be filed electronically. See sections 19.4 and 19.6; Tex. R. Civ. P. 21, 21a.
Certificate of Service
I certify that a true copy of this [name of document] was served in accordance with rule 21a of the Texas Rules of Civil Procedure on the following on [date]:
[Name of attorney of record or party to be served] by [electronic filing manager/e-mail at [e-mail address]/fax at [fax number]/personal delivery at [address]/commercial delivery service at [address]/certified mail at [address]/first-class mail at [address]]. [Repeat for each attorney of record or party to be served.]
[Name]
Attorney for [name]