Documents and attachments may need authentication, attestation, certification or notarization. The employer must retain the signed original attestation and proof of its employees' E-Verify training. There are three levels of verification, or "attestation", possible in the STIR protocol. These inscriptions together with the Tonyukuk inscription, are the oldest extant attestation of that language. The earliest attestation of the Japanese language is in a Chinese document from 252 AD. How the WebAuthn Relying Party obtains its store of trusted attestation public keys is unspecified. The earliest unambiguous attestation of paper playing cards date back to 1294. Aliens failing to make such an attestation would be ineligible for admission. Due to the fragmentary attestation of this language or dialect, various interpretations are possible. The earliest certain attestation dates to 1474. This process is called DAA Direct anonymous attestation. The earliest attestation of state regality, King of Lihyan, was in the mid-sixth century BC. Most Austronesian languages lack a long history of written attestation. The first attestation of the word is dated back to circa 1400. Ancient mythologies by period of first attestation.