Steps to Becoming a Guam Bona Fide Farmer Whether you are a subsistence or commercial grower, receiving your Bona Fide Farmer Certification from the Guam Department of Agriculture has many benefits. Compliance With The Law Bona Fide Farmer Definition; Per amended Guam Code Title 5, Chapter 63, Article 8, ss63801b:“Bona fide farmer means a person...