Article 16
1. For the collection of any amount owing pursuant to Article 25, or of any debt due to the States concerned by a third party relating to the conclusion, installation and functioning of Sisnet, the issue of a recovery order by the authorising officer shall be required. Recovery orders shall be forwarded to the accounting officer, who shall submit them to the financial controller for approval. 2. The purpose of this approval shall be to establish that: (a) the revenue has been booked to the correct budget item; (b) the recovery order is in order and conforms to the relevant provisions; (c) the supporting documents are in order; (d) the debtor, or the competent authority of the debtor State, are correctly described; (e) the due date is indicated; (f) the principles of sound financial management referred to in Article 4 have been applied; (g) the amount and currency of the sum to be recovered are correct. 3. The accounting officer shall assume responsibility for the recovery orders duly drawn up.