REVENUE MEMORANDUM ORDER NO. 1-2020 issued on January 15, 2020 promulgates the Data Privacy Manual of the BIR which prescribes the policies and guidelines for personal data protection and security in compliance with the Data Privacy Act of 2012 and informs the data users of the rights of the data subjects. The effectivity of the said Act has extended and expanded the Bureau’s mandate to secure personal, sensitive personal information, privilege information as well as business information of individual taxpayers that have already been collected, or will still be collected, in the course of the performance of its official functions. The Act also requires that such information should be collected, processed and secured in adherence to the general data privacy principles of transparency, legitimate purpose and proportionality.