Since these sections exist, human nature would assume they are there to be used.
But, an "Examiner" should first check to see if the rating is in Section XII before signing anything! In fact the Examiner should check everything in a licence as there have been so many errors and omissions.
Appendix I to ANNEX VI PART-ARA Flight crew licence states:
The competent authority shall include additional customized pages containing tables which shall contain at least the following information:
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Ratings, certificates, endorsements and privileges;
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Expiry dates of the ratings,
To sumarise, when additional forms are required, the INcompetent authority fails to produce appropriate ones, but when no additional forms are necessary, it generates a plethora of them. At the end of the day its financially driven; one IT solution for all licences.