<?xml version="1.0" encoding="UTF-8"?>

<NamingSystem xmlns="http://hl7.org/fhir">
  <id value="USEIN"/>
  <text>
    <status value="generated"/><div xmlns="http://www.w3.org/1999/xhtml"><h3>Summary</h3><table class="grid"><tr><td>Defining URL</td><td>http://terminology.hl7.org/NamingSystem/USEIN</td></tr><tr><td>Version</td><td>1.0.0</td></tr><tr><td>Name</td><td>USEIN</td></tr><tr><td>Title</td><td>United States Employer Identification Number</td></tr><tr><td>Status</td><td>active</td></tr><tr><td>Definition</td><td><div><p>An Employer Identification Number (EIN) is also known as a Federal Tax Identification Number, and is used to identify a business entity.</p>
</div></td></tr></table><h3>Identifiers</h3><table class="grid"><tr><td><b>Type</b></td><td><b>Value</b></td><td><b>Preferred</b></td><td><b>Period</b></td><td><b>Comment</b></td></tr><tr><td>OID</td><td>2.16.840.1.113883.4.4</td><td>true</td><td></td><td/></tr><tr><td>URI</td><td>urn:oid:2.16.840.1.113883.4.4</td><td>true</td><td>2022-06-02 --&gt; (ongoing)</td><td>This is the URL endorsed by the HTA and is considered authoritative.</td></tr></table></div>
  </text>
  <extension url="http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.url">
    <valueUri value="http://terminology.hl7.org/NamingSystem/USEIN"/>
  </extension>
  <extension url="http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.version">
    <valueString value="1.0.0"/>
  </extension>
  <extension url="http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.title">
    <valueString value="United States Employer Identification Number"/>
  </extension>
  <name value="USEIN"/>
  <status value="active"/>
  <kind value="identifier"/>
  <date value="2022-06-13T00:00:00-00:00"/>
  <contact>
    <name value="U.S. Internal Revenue Service"/>
    <telecom>
      <system value="url"/>
      <value value="https://www.irs.gov/businesses/small-businesses-self-employed/employer-id-numbers"/>
    </telecom>
  </contact>
  <description value="An Employer Identification Number (EIN) is also known as a Federal Tax Identification Number, and is used to identify a business entity."/>
  <uniqueId>
    <type value="oid"/>
    <value value="2.16.840.1.113883.4.4"/>
    <preferred value="true"/>
  </uniqueId>
  <uniqueId>
    <type value="uri"/>
    <value value="urn:oid:2.16.840.1.113883.4.4"/>
    <preferred value="true"/>
    <comment value="This is the URL endorsed by the HTA and is considered authoritative."/>
    <period>
      <start value="2022-06-02"/>
    </period>
  </uniqueId>
</NamingSystem>