By using matricula IDs, illegal aliens are allowed to enter this federal building where there is an IRS office, in order to file tax returns or to obtain ITIN W-7 applications -- even though it is against federal law to enter a federal building by using a matricula as ID.

When Hal Netkin took this photo in 2008, no suspician was aroused by passers-by.
Federal Building at 6230 Van Nuys Blvd, Van Nuys, California