Name Flags Card. Type Description & Constraints doco
. . Extension 0 .. * Extension Official Address
. . . url 1 .. 1 uri "http://hl7.org/fhir/StructureDefinition/address-official"
. . . value[x] 1..1 Value of extension
. . . . valueBoolean boolean
. . . . valueCodeableConcept CodeableConcept

doco Documentation for this format
<status value="draft" /> <date value="2020-06-30T18:23:29+02:00" /> <publisher value="HL7 Italia" /> <contact> <telecom> <system value="url" /> <value value="http://hl7.it" /> </telecom> </contact> <description value="Indicate that this address is meant to be the 'official' address for that person. What an 'official' address is depends on the country. This extension allows to specify if this address is or it is not the official address, or to indicate that this is the official address for that country" /> <jurisdiction> <coding> <system value="urn:iso:std:iso:3166" /> <code value="IT" /> </coding> </jurisdiction> <copyright value="CC0" /> <fhirVersion value="4.0.1" /> <mapping> <identity value="rim" /> <uri value="http://hl7.org/v3" /> <name value="RIM Mapping" /> </mapping> <kind value="complex-type" /> <abstract value="false" /> <context> <type value="element" /> <expression value="Address" /> </context> <type value="Extension" /> <baseDefinition value="http://hl7.org/fhir/StructureDefinition/Extension" /> <derivation value="constraint" /> <differential> <element id="Extension"> <path value="Extension" /> <short value="Official Address" /> <definition value="This extension allows to specify if this address is or it is not the official address, or to indicate that this is the official address for that country (true assumed)." /> </element> <element id="Extension.extension"> <path value="Extension.extension" /> <max value="0" /> </element> <element id="Extension.url"> <path value="Extension.url" /> <fixedUri value="http://hl7.org/fhir/StructureDefinition/address-official" /> <mapping> <identity value="rim" /> <map value="AD/@use[.='OR']" /> </mapping> </element> <element id="Extension.value[x]"> <path value="Extension.value[x]" /> <min value="1" /> <type> <code value="boolean" /> </type> <type> <code value="CodeableConcept" /> </type> <meaningWhenMissing value="Nothing can be inferred when this extension is missing. I.e. the absence of this extension shall not be interpreted as non-official address." /> </element> </differential> </StructureDefinition>