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What does IRS stand for?

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Rank Abbr.Meaning
IRSInternal Revenue Service (US government)
IRSInsulin Receptor Substrate
IRSIndoor Residual Spraying (mosquito control)
IRSIndependent Rear Suspension
IRSInterest Rate Swap
IRSInsulin Receptor Signaling
IRSIndian Remote Sensing Satellite
IRSInfrared Spectrograph
IRSImage Retrieval System (computing)
IRSInsulin Resistance Syndrome
IRSInstitut für Raumfahrtsysteme (German: Institute of Space Systems)
IRSInformation Retrieval System
IRSInfoFrame Relational Store (NEC Corporation)
IRSIndian Register of Shipping (Indian ship classification society)
IRSInternal Rating System (finance)
IRSImposto Sobre o Rendimento das Pessoas Singulares (Portuguese tax)
IRSImmune Reconstitution Syndrome
IRSInteractive Response System (educational remote control)
IRSIndus River System
IRSIron Replacement System (golf)
IRSInertial Reference System
IRSInvestment Research Service
IRSIncident Reporting System
IRSInterface Requirements Specification
IRSInformation Referral Services (Ontario, Canada)
IRSInformation Reporting System
IRSIncreasing Returns to Scale
IRSInformation and Referral Specialist (various organizations)
IRSIndian Revenue Service (India)
IRSInvestor Relations Society
IRSInterpreter Referral Service (various organizations)
IRSInternational Register of Shipping (est. 1993; shipping industry)
IRSInventory Reduction Sale
IRSIrwin R. Schyster (pro wrestler)
IRSInternal Review Service (UK)
IRSIdentical, Related and Similar (US DHHS)
IRSImproved Rain Suit (US Air Force)
IRSInternational Radar Symposium
IRSIntelligence Research Specialist (FBI)
IRSInstitute of Regional Studies (Pakistan government)
IRSIntegrated Resorts Scheme (Mauritius)
IRSIntra Renal Surgery
IRSIntegrated Receivables Solutions (banking)
IRSInformal Resolution System
IRSInsurance Restoration Services, Inc. (New Jersey)
IRSInternational Referral System (now INFOTERRA)
IRSInherited Runners Scored (baseball; runner on base who scores after a new pitcher enters)
IRSIntel Research Seattle
IRSInternational Rorschach Society
IRSIllinois Radiological Society
IRSIndependent Recyling Services
IRSInterest Rate Support
IRSInfrared Locking System (automobiles)
IRSInternationally Recruited Staff
IRSIntermediate Reference System
IRSInternational Research and Studies Program (US)
IRSIntelligent Register System (Q.I. Press Controls)
IRSindividual replacement system (World War 2 troop rotation)
IRSIndustrial Relations Survey (UK)
IRSImmunoreactive Remmele Score (cancer)
IRSInformation Receiving Station
IRSInfrared Soldering
IRSInterstate Repeater Society
IRSIonizing Radiation Standards Group (National Research Council of Canada, Ottawa, Canada)
IRSI'll Return Shortly
IRSIgnition Radiation Suppression
IRSInterdisciplinary Research Support (various schools)
IRSIncident Response Service
IRSIndian Remote Sensing System
IRSInland Refugee Society (Vancouver, British Columbia, Canada)
IRSIndex of Retail Saturation
IRSInternational Reference Star (set of star catalogs)
IRSInterferometric Rayleigh Scattering
IRSItem Reduction Study
IRSInput Record Seperator (Perl programming language)
IRSIncreasing Radius Search
IRSImagery Requirements Structure
IRSIndividual Readiness Survey (education)
IRSInfrastructure Requirements Specification
IRSInterference Reduction System
IRSInstitute of Railway Signal Engineers (UK)
IRSInfrared Suppressor
IRSIndiana Railroad System
IRSIndefinite Reserve Status
IRSInduction and Recruiting Station
IRSInstitute for Reactor Safety, Germany (now Gesellschaft für Anlagen- und Reaktorsicherheit mbH)
IRSInstallation Readiness System
IRSIntegrated Resource and Schedule
IRSInternational Racing System
IRSInternational Russian Society
IRSIntegrated Review Software
IRSIntegrated Reconstructed Spectrum
IRSInferno Reckless Summonn (Yu-Gi-Oh)
IRSIndividual Research Study
IRSImpulse Radio Sequence
IRSInternational Reply Service

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