<?xml version="1.0" encoding="UTF-8"?>
<!-- 
    DTr1 SXCM_PQ - PQ
    Status: draft
-->
<rule xmlns="http://purl.oclc.org/dsdl/schematron"
      abstract="true"
      id="SXCM_PQ">
    <extends rule="PQ"/>
    <assert role="error"
           test="not(@nullFlavor and @operator) or @operator = 'I'"
           see="https://docs.art-decor.org/documentation/datatypes/DTr1_SXCM_PQ">dtr1-1-SXCM_PQ: not operator if null</assert>
</rule>
