New signs are up at airport security checkpoints across the country reminding travelers that starting Oct. 1, they will need a Real ID-compliant license or another acceptable document to board a domestic flight. (Luz Lazo/The Washington Post).

Ready the entire Real-ID act here.

The Department of Homeland Security will allow states to accept documents for Real ID applications electronically, streamlining the process for millions of Americans to obtain the credential that come fall will be needed to pass through airport security checkpoints.

Allowing applicants to submit the necessary paperwork online will help expedite service at departments of motor vehicles across the country, officials said. Many state agencies are experiencing long lines and wait times as they scramble to issue new driver’s licenses and ID cards that conform with the federal law that tightens security requirements for state-issued identification.

Beginning Oct. 1, only driver’s licenses and state IDs that meet Real ID requirements will be accepted for boarding commercial flights. Travelers who don’t have a Real ID will need credentials such as a U.S. passport or military ID.

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