A taxpayer shall attach to his annual income tax return, receipts for taxes paid voluntarily, and other related documents of evidences and, in the case of a profit-seeking enterprise, also the balance sheet, inventory of properties and profit and loss statement.
At the time of filing an income tax return by a company, cooperative, or other juristic person, its responsible person shall submit a statement listing the names and residences of shareholders, members, or investors and the amount of dividends or earnings payable or paid. In the case of partnership, its responsible person shall submit a statement listing the names and residences of partners and their respective percentages of investment and profit or loss allocation.