16. In addition to the documents listed in section 15, a director of the direction responsible for informational resources is authorized to sign the following documents, provided that they include expenditures not exceeding $100,000:(1) any notice of public calls for tenders or of invitations to tender, and any document relating to those calls for tenders and invitations to tender;
(2) any services contract;
(3) any supply contract;
(4) any service agreement with a public body.