This BIR return shall be filed in triplicate by the following person making, signing, issuing, accepting or transferring the document or facility evidencing transaction: 1. Every natural or juridical person, resident or non-resident, for sale, barter, exchange or other onerous disposition of shares of stock in a domestic corporation, classified as capital asset, not traded in the local stock exchange; 2. Every withholding agent/buyer/seller on the sale, transfer or exchange of real property classified as capital asset. The "sale" includes pacto de retro sale and other forms of conditional sale; and 3. Every withholding agent/buyer/seller on the sale, transfer or exchange of real property classified as ordinary asset.