Govt extends income tax compliance, PAN-Aadhaar linking deadlines The government on Friday extended several deadlines for income tax compliances in wake of the Covid-19 pandemic. Deadline for mandatory linking of Aadhaar with permanent account number (PAN) has been extended for a further period of three months till September 30. The Centre had already extended the deadline several times in the past as well in view of the challenges faced by the people due to coronavirus pandemic. Earlier this year, the deadline was extended from March 31 till June 30.