You must use the format prescribed by ETS to file all your travel claims unless your agency has been granted, or has granted you, an exception from required use of the ETS in accordance with § 301-50.4, § 301-73.102, or § 301-73.104 of this chapter. If the prescribed travel claim is hardcopy, the claim must be signed in ink. Any alterations or erasures to your hardcopy travel claim must be initialed. If your agency has electronic document processing, use your electronic signature where required.
41 C.F.R. §§301-52.3