The notified Executive Resolution establishes provisions for regulating and controlling the use and marketing of substances for veterinary use, based on on their prohibited or restricted status.It prohibits, within the national territory, the manufacture, health registration, importation, sale, marketing, transport, storage, handling, possession, and use in all aquatic and terrestrial animal species, whether individually, in combination, as raw materials, in finished veterinary medicines, or as ingredient in animal feed, of the 56 substances listed in the second operative paragraph of Executive Resolution No. 046-2026;. It also sets out specific restrictions on clenbuterol, methyl violet, nitroimidazoles, avermectins, sulfonamides (sulfa drugs), antimicrobial growth promoters or performance enhancers, methylene blue, and chlorpromazine; and includes additional provisions for farms under the Segregated Bovine Production System (SSPB), and animals and products for export.