Section 18B. Court to fix a time for return of commission

18B. Court to fix a time for return of commission.— The Court issuing a commission shall fix a date on or before which the commission shall be returned to it after execution, and the date so fixed shall not be extended except where the Court, for reasons to be recorded, is satisfied that there is sufficient cause for extending the date.] 2[ Commissions issued at the instance of foreign Tribunals