S. 92CA : Reference to Transfer Pricing Officer-Arm’s Length price-Limitation-Reference and approval-Question of limitation is legal plea and can be raised at any stage-Existence of alternate remedy not bar-Writ is maintainable Participation of assessee in proceedings not a bar to challenging jurisdiction-The reference to the Transfer Pricing Officer had been made after the permissible period, the timeline had been missed by the Department at every stage. Therefore, as a sequitur, all further proceedings, in furtherance thereof were also bad in law-Decision of single judge set aside. [S. 144C, 153(1) Art. 226]