EXECUTIVE ORDER NO. 554

: Oriental Mindoro, Occidental Mindoro, and La Union.
: The estimated annual incomes during fiscal years 1949, 1950, and 1951 as certified by the General Auditing Office were used for classification.
: Oriental Mindoro was classified as a 1st class province.
: Occidental Mindoro was classified as a 4th class province.
: La Union was continued as first class-A as last classified on June 20, 1950.
: The classification took effect on July 1, 1952.
: The continued classification for La Union took effect on July 1, 1950.
: Classification of provinces determines their economic status based on average annual income, which affects their budget allocations, internal revenue allotments, and development priorities.