Orden de 24/05/1989, por la que se aprueba el Reglamento técnico de control y certificación de patata de siembra. BOE n° 134 de 06/06/1989 p. 17011 (SG(2003)A/10723 du 6/11/2003)

This Spanish regulation establishes the technical rules for controlling and certifying seed potatoes. It ensures that the seeds used by farmers meet specific quality and health standards, which is essential for maintaining reliable crop yields and preventing the spread of diseases. The regulation affects agricultural producers, seed suppliers, and certification bodies within Spain. It sets the mandatory standards for the quality control processes that seed potatoes must undergo before they can be legally sold and planted.