REVENUE REGULATIONS NO. 14-2021 issued on July 28, 2021 suspends the implementation of the following provisions of Revenue Regulations No. 5-2021 relative to taxation of proprietary educational institutions: a. Section 2 (C), on the definition of Proprietary Educational Institutions, insofar as it includes therein the phrase, “which are non-profit”, b. Section 2 (E), on the definition of Non-Profit, insofar as it applies to “Proprietary Educational Institutions”, and c. Section 3 (B), which provides illustration on the tax treatment of Proprietary Educational Institutions that are non-profit.