This article is from NPR by Pam Fessler:

A nonprofit group wants to see more unmarried women, young people and people of color on the nation’s voter rolls, so it recently sent 9 million letters urging those groups to register.

But the mailers have upset some election officials, who say they’ve left voters confused.
The mailers clearly state that they’re from the Voter Participation Center or its sister organization, the Center for Voter Information. But the letter inside looks like it could come from the government.

Read the full story here.