The Income Tax department says your PAN will become inoperative if you don't link it with Aadhaar by March 31, 2020, according to a PTI report. The deadline for PAN-Aadhaar linking has been extended eight times. The previous deadline was December 31, 2019. According to the report, the CBDT has inserted a rule to stipulate the "manner of making permanent account number inoperative".