Applying the ₹10L threshold to overseas tour package purchases — for tour packages, TCS applies from rupee 1 (5% up to ₹10L, then 20%).
Charging TCS on full amount for LRS remittances instead of just the excess over ₹10L.
Forgetting the NIL rate for education loans satisfying section 80E.
Confusing the 5% rate (education/medical) with 20% (other purposes) for LRS.
Bare-Act text Section 206C(1G) · Income-tax Act, 1961 · click to expand
Section 206C(1G): Every person, being an authorised dealer, who receives an amount, for remittance out of India from a buyer, being a person remitting such amount out of India under the Liberalised Remittance Scheme of the Reserve Bank of India; being a seller of an overseas tour program package, who receives any amount from a buyer, being the person who purchases such package, shall, at the time of debiting of the amount payable by the buyer or at the time of receipt of such amount from the said buyer, by any mode, whichever is earlier, collect from the buyer, a sum equal to such rate as specified.