7664, the Phytosanitary Protection Law, states: "Natural or legal persons who import, register, store, distribute, repackage, or mix chemical, biological, or related substances for commercial purposes must have the services of an agricultural sciences professional, registered with the Colegio de Ingenieros Agrónomos. To manufacture or formulate these substances, the professional must be a chemist or microbiologist, as the case may be, registered with the respective professional association.
Furthermore, those natural or legal persons must register in the Registry of Agricultural Establishments of the Colegio de Ingenieros Agrónomos and pay the annual fee that the Executive Branch, through the Ministry of Agriculture and Livestock, establishes for the administration and control of these activities."