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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
IRSIndian Remote Sensing Satellite
IRSInfrared Spectrograph
IRSInsulin Resistance Syndrome
IRSInformation Retrieval System
IRSIndian Register of Shipping (Indian ship classification society)
IRSImposto Sobre o Rendimento das Pessoas Singulares (Portuguese tax)
IRSInertial Reference System
IRSIncident Reporting System
IRSInterface Requirements Specification
IRSInformation Referral Services (Ontario, Canada)
IRSInformation Reporting System
IRSIncreasing Returns to Scale
IRSIndian Revenue Service (India)
IRSInvestor Relations Society
IRSInternational Register of Shipping (est. 1993; shipping industry)
IRSInventory Reduction Sale
IRSIrwin R. Schyster (pro wrestler)
IRSInternal Review Service (UK)
IRSInternational Radar Symposium
IRSInstitute of Regional Studies (Pakistan government)
IRSIntelligence Research Specialist (FBI)
IRSIntegrated Resorts Scheme (Mauritius)
IRSInformal Resolution System
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
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)
IRSIndustrial Relations Survey (UK)
IRSInformation Receiving Station
IRSInfrared Soldering
IRSIonizing Radiation Standards Group (National Research Council of Canada, Ottawa, Canada)
IRSInterstate Repeater Society
IRSI'll Return Shortly
IRSIgnition Radiation Suppression
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)
IRSIndividual Readiness Survey (education)
IRSIncreasing Radius Search
IRSImagery Requirements Structure
IRSInfrastructure Requirements Specification
IRSInterference Reduction System
IRSInstitute of Railway Signal Engineers (UK)
IRSInfrared Suppressor
IRSIndefinite Reserve Status
IRSIndiana Railroad System
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
IRSInterpreter Referral Service (various organizations)
IRSIntra Renal Surgery
IRSInvestment Research Service
IRSIndependent Recyling Services
IRSImmune Reconstitution Syndrome
IRSImmunoreactive Remmele Score (cancer)
IRSImproved Rain Suit (US Air Force)
IRSIdentical, Related and Similar (US DHHS)
IRSImage Retrieval System (computing)
IRSIndus River System
IRSInformation and Referral Specialist (various organizations)
IRSInsulin Receptor Signaling
IRSInteractive Response System (educational remote control)
IRSInterdisciplinary Research Support (various schools)
IRSInternal Rating System (finance)
IRSInstitut für Raumfahrtsysteme (German: Institute of Space Systems)
IRSInsurance Restoration Services, Inc. (New Jersey)
IRSIntegrated Receivables Solutions (banking)

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