Approving Panel reference procedure for declaring arrangements as impermissible avoidance, with prescribed forms and hearing safeguards. An Approving Panel under section 144BA may be referred to by a Principal Commissioner or Commissioner who, after recording satisfaction in Form No. 3CEI, files Form No. 3CEIA in four sets (Hindi or English) with supporting documents. The Chairperson must circulate the reference to members within seven days and serve notices affording the Assessing Officer and the assessee an opportunity of being heard; the Panel fixes hearing venues and meetings. Members receive a sitting fee and travelling and daily allowances on a scale aligned with a Special Secretary, and Panel expenses are met from Department of Revenue budgetary grants.