<s>[INST] When penalty under Section 272B may be imposed? [/INST] ​​​​Penalty under Section 272B may be imposed for the following defaults:

​Failure to apply for Permanent Account Number (PAN), if it is required to be applied;
Failure to quote PAN or Aadhaar in returns, challans etc.;
Failure to intimate PAN or Aadhaar to the person responsible for deduction or collection of tax;
Quoting or intimating a PAN or Aadhaar which is false or and which he either knows or believes to be false or does not believe to be true;
Failure to quote PAN or Aadhaar in documents pertaining to financial transactions as prescribed under Rule 114B;
Failure to authenticate PAN or Aadhaar;
Obtaining multiple PAN.​ </s>