left 2 voice mails that I couldn't understand

Claimed to be with IRS. BAD SOUND.

said they were informing me i was being sued by the irs. Very heavy accent (spoke with 2 men) they said they were going to give me 2 options for getting assistance with the issue. when i told them i don't file my own taxes, that i go through h&r block, they still insisted that i was "evading" my taxes and that i would have to pay penalties. i couldn't understand very much of what they were saying and got very upset-- I pay my taxes!!! i told them i would call the number back when i could call them from the land line at my shop. to this, the guy said he would hold the line for 10 min but that if i hung up the phone they would do nothing further to help me with my case.---- maybe i was being gullible but I did not and do not want to be sued by anybody or anything!!!

Two men kept saying they were going to send cops after me for not paying the IRS.

Total scam.  Originates in either India or Pakistan.   Block and ignore.   DO NOT RETURN THE CALL!
See:  http://www.irs.gov/uac/Newsroom/IRS-Reiterate ... -Telephone-Scam
See also: https://www.consumer.ftc.gov/blog/scammers-continuing-pose-irs-agents

Report them:
https://www.treasury.gov/tigta/contact_report_scam.shtml

I’m an Enrolled Agent with the IRS (Inactive). IRS does not initiate contacts by phone.  US mail only.   IRS does not file lawsuits.  IRS has enough administrative authority under the IRS Code and related regulations to collect all taxes lawfully due the federal government.     Court action, if any is handled by the DOJ and all parties are entitled to legal assistance if it is a criminal matter.  But--tax disputes are for the most part civil matters.  90% of all IRS tax disputes are settled administratively.  IRS has absolutely no authority to call on local law enforcement for anything. Local law is never involved in IRS tax disputes. IRS does not threaten to involve local law enforcement or to arrest you for nonpayment of federal taxes.  IRS has no powers of arrest as related to ordinary tax disputes.  Having a deficiency in taxes owed by way of audit is NOT a crime.  IRS does not cold call anyone and demand immediate payment of  money.  IRS does not ask for financial information over the phone.   IRS does not accept Green card money paks for payment in any case.  No one is prosecuted for ordinary tax disputes. IRS has absolutely no authority over anyone's professional license. Professional licensing is handled by state governments.  Yes, levies on property to satisfy an existing tax obligation do occur, but only after a very long period of negotiation. And yes, liens are placed on individuals but  usually after a lot of negotiation and a failure to reach a settlement.    All determinations of tax liability are subject to appeals.  All  contacts by the IRS are initiated by US mail.
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