This document establishes the formal legal amendments to the existing national lists of plant varieties in Great Britain as of 1980. The text is authored by the British government to provide a regulatory framework for the registration and classification of agricultural seeds. It serves as a technical instrument to update statutory requirements for seed certification and commercial distribution.

Experts and legal researchers utilize this text as a primary source for historical agricultural policy and regulatory compliance in the United Kingdom. Readers frequently note the technical density of the prose, which is intended for legal professionals and agricultural administrators.