S.206AA: Requirement to furnish Permanent Account Number-Deduction of tax at source-Immoveable property-Where purchasers deducted tax at source at 1% under section 194-IA on sale consideration and vendor had furnished PAN which was accepted by the Department’s portal, subsequent demand treating PAN as invalid and alleging short deduction at 20% under section 206AA was unjustified-PAN had been linked with Aadhaar and late fee paid by vendor-No failure on part of deductors-Orders passed without considering relevant material and in violation of principles of natural justice were quashed. [S.194-IA, Income-tax Rules, 1962 r.30(2A), Art.226