Beginning this year, the IRS must send you notices of your old and new address, if your mailing address for tax purposes changes. This is primarily to forestall fraud by third-partywho change their clients’ mailing addresses with the IRS without letting their clients know, and then rip them off. You’re left in the dark, since you no longer get tax notices.
The IRS is reporting that it’s sending high volumes of Notices CP 148A and CP 148B to employers because of simple mistakes made when preparing Forms 941: using St. for Street or Ave. for Avenue, for example.
Get more information about these notices: