Without limiting the matters which may be considered by the Court before it issues a summons under section 16(1) of the Children's Division Act, the Court may consider any or all of the following:

(a) whether the intended witness is able to give material evidence;

(b) whether the intended witness is able to produce material documents, articles or things;

(c) whether the intended witness will incur unreasonable hardship by attending Court;

(d) whether the evidence of the intended witness is otherwise available to the Court;

(e) the nature of the evidence of the intended witness and its importance to the decision that the Court is required to make in respect of the proceeding.