Expertise must be sought, acquired and retained in such diverse areas as labor law, environmental law, customs law, real estate law, etc.

By deputation, it enforced immigration law, customs law, forestry law, quarantine law, election law, public service law, and amusement law and weight and standards on rice and palay.

The customs law set trade barriers to products produced in the country, and imposed high import tariffs on luxury goods, together with export quotas and tariffs on gold and silver.