The IRS strongly recommend that the employer maintain its address as the address of record with the IRS. Notify the IRS immediately if you change your business address or responsible party. Complete and mail Form 8822-B to notify the IRS of a business address or responsible party change. For a definition of “responsible party,” see the Instructions for Form SS-4, Correspondence to the employer at the address of record.
For more information refer to the IRS Pub. 15.