(a) Motions and answering papers shall be accompanied by all necessary supporting affidavits and briefs or supporting statements. All motions and answering papers shall be supported by affidavits for facts relied upon which are not of record or which are not the subject of official notice. Such affidavits shall set forth only facts which are admissible in evidence under N.J.A.C. 1:1-15, and to which affiants are competent to testify. Properly verified copies of all papers or parts of papers referred to in such affidavits may be annexed thereto.
(b) In the discretion of the judge, a party or parties may be required to submit briefs or supporting statements pursuant to the schedule established in N.J.A.C. 1:1-12.2 or as ordered by the judge.
(c) The judge may hear the matter wholly or partly on affidavits or on depositions, and may direct any affiant to submit to cross-examination and may permit supplemental or clarifying testimony.