Be aware there is a phishing scam propagating. Do not click on the link, nor provide any information. The email usually reads like this:
Subject: Notice of Underreported Income
Taxpayer ID: id-00000174073547US
Tax Type: INCOME TAX
Issue: Unreported/Underreported Income (Fraud Application)
Please review your tax statement on Internal Revenue Service (IRS) website (click on the link below):
review tax statement for taxpayer id: id-00000174073547US
Internal Revenue Service