REVENUE REGULATIONS NO. 4-2001 issued April 16, 2001 extends up to April 18, 2001 the deadline for the filing of Income Tax Returns by taxpayers with accounting period ended December 31, 2000. Said taxpayers include compensation income earners, nonbusiness/non-profession related income earners and taxpayers engaged in trade or business or in the exercise of profession. This is to compensate for the lost time and opportunity of the taxpayers to file their Income Tax Returns due to the close of business operations of Authorized Agent Banks during the Lenten break.