12. To record and sign all the certificates ordered by the directress and on which the latter shall place her O.K.
Art. 20. The secretary shall receive as a remuneration for her services one per cent of the receipts of the institution, and for certificates, the fees assigned in these regulations, in addition to the one per cent of the academical fees as a compensation for the loss of money and of the responsibility which she has in the collection thereof.
Art. 21. The secretary shall always be responsible for the correct drawing up of papers, and for the accuracy of the documents which she issues.
Art. 22. The regular instructress appointed by the directress shall act as substitute for the secretary during the absence and sickness of the latter and during vacancies.
CHAPTER V
Of the librarian
Art. 23. The duties of the librarian shall be:
1. To make an inventory of the works existing in the library, to classify the volumes, and stamp them with the seal of the institution.
2. To name, after conferring with the directress the hours during which this subordinate department will be open, and to watch after the good preservation of the books which are committed to her care.