Section 18:

Registration Duty Act, Arrêté du 16 Frimaire An XII · PART II: FIXED DUTY OF 300 RUPEES

consolidated text (as at 2018). juris shows the text as it was consolidated; it does not confirm that this is the law in force today.

18. Memorandum of the affixing, verifying or removal of seals. The duty shall be payable for every period of 3 hours (vacation).