Periods for assessment shall be determined in accordance with the following provisions:
1.For the tax which should be declared and paid by a taxpayer under the act and has been declared within the statutory period for filing tax return, and which the taxpayer has no intention to evade by fraud or any other unrighteous means, the period for assessment shall be five (5) years.
2.For the stamp tax payable by a taxpayer under the act and any other tax which should be assessed by the tax collection authorities based on the data recorded in the Tax Registration Book or obtained through investigation, the period for assessment shall be five (5) years.
3.For the tax which is not declared within the statutory period for filing tax return or has been intentionally evaded by the taxpayer by fraud or any other unrighteous means, the period for assessment shall be seven (7) years.
During the periods for taxation set forth in the preceding Paragraph, if any additional tax is found to be assessable on the same taxpayer under investigation, the taxpayer shall still be required to make supplemental payment thereof and/or subject to punishment for insufficient payment of said tax; however, no supplemental tax may be assessed or punishment may be imposed in respect of any additional tax which is found to be assessable after the expiry of the applicable statutory period for taxation.