https://techcrunch.com/2018/05/24/twitter-shares-new-political-ad-guidelines-set-to-go-into-effect-this-summer/

Following the unrelenting wave of controversy around Russian interference in the 2016 presidential election, Twitter announced new guidelines today for political advertisements on the social networking site.

The policy, which will go into effect this summer ahead of midterm elections, will look towards preventing foreign election interference by requiring organizations to self-identify and certify that they are based in the U.S., this will entail organization registered by the Federal Elections Committee to present their FEC ID, while other orgs will have to present a notarized form, the company says.