Congress enacted the Tariff Adjustment Authority Act, authorizing the President to increase, reduce, or remove import duties on agricultural products by up to 50 percent of the rates fixed in the law, as may be necessary to protect domestic food production and ensure food security for the Filipino people. Representative Delos Santos of the Farmers' Bloc challenged the law on the ground that it constituted an invalid delegation of legislative power to the President and should be struck down in its entirety. Is the challenge correct? (Bar 2026 Syllabus)