(1) An application by the opposite party under the proviso to sub-section (5) of section 5 to implead any other child or relative of the applicant liable to maintain the applicant, shall be filed on the first date of hearing as specified in the notice issued under sub-rule (2) of rule 5 :
Provided that no such impleading in the application shall be allowed after such first hearing, unless the opposite party shows sufficient cause for filing it at a later stage.
(2) Upon impleading any other child or relative of the applicant in the applicat ion under sub-rule (1) , the Tribunal shal l , i f i t is prima facie satisfied, after hearing the parties, about the reasonableness of such impleadment, issue notice to such other child or relative to show cause as to why they should not be impleaded as a party, and shall after giving them an opportunity of being heard, pass an order regarding their impleadment or otherwise.
(3) In case the Tribunal passes an order of impleadment under sub-rule (2), it shall cause a notice to be issued to such impleaded party in Form–C in accordance with rule 5.