Application to High Court: prescribed forms and quadruplicate filing required, with signature by the designated officer where applicable. Applications requesting that the Appellate Tribunal refer a question of law to the High Court must be made in Form No. C.A.-6 and filed in quadruplicate; memoranda of cross-objections must be made in Form No. C.A.-7 and filed in quadruplicate. Both applications and cross-objections require the prescribed verification form. Where the applicant is not the Principal Commissioner of Customs or the Commissioner of Customs, the application, memorandum or verification must be signed by the officer specified in the procedural rules.