When do laws take effect?

• A. Upon approval by the President;
• B. After 15 days following the publication in the Official Gazette or in a newspaper of general circulation;
• C. After 15 days following its posting in the website of Congress considering the advances in science and technology;
• D. After 15 days following the completion of their publication in the Official Gazette or in a newspaper of general circulation and furnishing the UP Law Center with a copy unless it is otherwise provided.