Should have included this:
Meant to include this in my previous post:
The local governments of 80 cities, including Tucson, Phoenix, Denver, Los Angeles, San Antonio, San Francisco, Chicago, Houston, and Dallas accept the matrícula for uses such as obtaining a library card, entering public buildings, obtaining business licenses, registering children for school, and accessing a few, limited public services. At the state level, the most important use of the matrículas is in obtaining driver licenses. Although most states now require proof of legal immigration status, there are about 13 states that do accept the matrícula as proof of identity when issuing a license.
Should have included this: