Transfer under section 127: non-search cases may be centralized for coordinated investigation or administrative centralization. Transfer under section 127 is not confined to search cases; non-search matters may be centralized when coordination, investigative integrity or the interest of revenue require transfer to a Central Charge. Illustrative categories include non-search cases connected to searches, survey/enquiry cases involving systematic manipulation or fraud, matters arising from other agencies' investigations, complex revenue significant cases, and other cases identified by senior officers for administrative centralization.