Details below from TPS instructions

Will TPS applicants need to provide fingerprints, photographs, and a signature?

A. Yes. Except as noted below, all applicants for initial registration, re-registration, or renewal of TPS must provide fingerprints, photographs, and a digital signature, which are referred to as “biometrics.” For re-registrations,

USCIS may be able to re-use your previously collected biometrics for identity verifications, background checks and other authorized purposes. Applicants for both initial TPS and for re-registration who are 14 years of age and older must submit the $85 biometric services fee or a fee waiver request. See Item Number 9. below for information about fee waiver requests.

1. What documents should you submit?

NOTE: You do not need to provide original documents with this application unless USCIS requests that you provide the originals of any copies you submit.

You must provide USCIS copies of documents to prove you are a national of a country designated for TPS (or have no nationality and last habitually resided in a country designated for TPS), your date of entry into the United States, and your U.S. residence. In addition:

Documentation Exception: If you are filing this application for re-registration (Part 1., Item Number 1.b., of Form I-821), you do not have to submit any copies of documentation. However, USCIS may ask you for additional information and/or documentation in certain circumstances.