A procuring entity may enter into a framework agreement where —
(a) the need for the subject matter of a public procurement is expected to arise on a repeated basis during a given period of time within a procuring entity or for all procuring entities;
(b) the nature of the subject matter of the public procurement causes the need for public procurement to arise on an urgent basis during a given period of time; or
(c) the Director considers that a particular public procurement can best be undertaken through a framework agreement.