You can report this to the tax fraud address of the IRS.
By the way did this interfere with our ability to file your return?
you suspect or know of an individual or company that is not complying with the tax laws, you may report this activity by completing Form 3949-A. You may fill out Form 3949-A online, print it and mail it to:
Internal Revenue Service Fresno, CA 93888
If you do not wish to use Form 3949-A, you may send a letter to the address above. Please include the following information, if available:
Although you are not required to identify yourself, it is helpful to do so. Your identity can be kept confidential. You may also be entitled to a reward.
If you were not able to take the deductions on your return because of this, please let me know so I can give you further advice.