{"resourceType":"NamingSystem","id":"USEIN","text":{"status":"generated","div":"<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>\n</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>"},"extension":[{"url":"http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.url","valueUri":"http://terminology.hl7.org/NamingSystem/USEIN"},{"url":"http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.version","valueString":"1.0.0"},{"url":"http://hl7.org/fhir/5.0/StructureDefinition/extension-NamingSystem.title","valueString":"United States Employer Identification Number"}],"name":"USEIN","status":"active","kind":"identifier","date":"2022-06-13T00:00:00-00:00","contact":[{"name":"U.S. Internal Revenue Service","telecom":[{"system":"url","value":"https://www.irs.gov/businesses/small-businesses-self-employed/employer-id-numbers"}]}],"description":"An Employer Identification Number (EIN) is also known as a Federal Tax Identification Number, and is used to identify a business entity.","uniqueId":[{"type":"oid","value":"2.16.840.1.113883.4.4","preferred":true},{"type":"uri","value":"urn:oid:2.16.840.1.113883.4.4","preferred":true,"comment":"This is the URL endorsed by the HTA and is considered authoritative.","period":{"start":"2022-06-02"}}]}