IRS
IRS is the acronym for .

The revenue service of the United States federal government, responsible for administering and enforcing the nation’s tax laws. Established in 1862, the IRS operates under the authority of the U.S. Department of the Treasury and oversees the collection of federal taxes, the processing of tax returns, and the issuance of tax refunds.
In addition to collecting income, payroll, corporate, and estate taxes, the IRS plays a key role in ensuring compliance with tax regulations through audits, investigations, and enforcement actions. The agency also provides taxpayer assistance, develops tax forms and guidance, and implements changes to tax law enacted by Congress.
For individuals and businesses alike, the IRS serves as both a regulatory authority and a resource, offering tools, publications, and online services to help taxpayers meet their obligations and understand their rights.