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<tbx:normativeAuthorization> Normative Authorization Flag

The <tbx:normativeAuthorization> element indicates the status of the term when the term entry contains more than one term for a given language, i.e., whether a term is “preferred” (recommended), “admitted” (allowed), or “deprecated” (not recommended).

Usage/Remarks

Whenever an entry contains more than one term, you must rank them by using this element.
Terms with preferred status should be predominantly used in the body of the standard, while terms with admitted status can be used (although less often than the preferred term) and terms with deprecated status should not occur.
There may be more than one preferred term, more than one admitted term and more than one deprecated term, in an entry. If there is only one term in the entry, this term is automatically preferred, and you need not assign any <tbx:normativeAuthorization> value.
If desired or necessary, you can provide an explanation of the reasons for the different <tbx:normativeAuthorization> values of the terms in the entry, by using a <tbx:note>.
This is an EMPTY element. For example: 
<tbx:normativeAuthorization value="preferredTerm"/>
Attributes
value (REQUIRED)

Base Attributes

id
xml:base
Models and Context
May be contained in
<tbx:tig>
Description
This is an EMPTY element
Content Model
<!ELEMENT  %TBX.normativeAuthorization; 
                        EMPTY                                        >
Tagged Sample

<tbx:termEntry> showing both the preferred and a secondary allowed term 

<tbx:termEntry id="ISO10241-1.a22.32">
  <tbx:langSet xml:lang="en">
    <tbx:definition>reference level for soundings in navigation charts</tbx:definition>
    <tbx:tig>
      <tbx:term id="a22.32-1">chart datum</tbx:term>
      <tbx:partOfSpeech value="noun"/>
      <tbx:normativeAuthorization value="preferredTerm"/>
      <tbx:termType value="fullForm"/>
    </tbx:tig>
    <tbx:tig>
      <tbx:term id="a22.32-2">CD</tbx:term>
      <tbx:partOfSpeech value="noun"/>
      <tbx:normativeAuthorization value="admittedTerm"/>
      <tbx:termType value="acronym"/>
    </tbx:tig>
  </tbx:langSet>
</tbx:termEntry>