This document establishes the specific legal amendments required to update the National Lists of plant varieties in Great Britain for the year 1990. The text is authored by the government of Great Britain, functioning as a formal statutory instrument. It provides the regulatory framework necessary to ensure compliance with agricultural standards regarding seed classification and commercial distribution.

Legal professionals and agricultural regulators utilize this text as a primary source for historical compliance and regulatory tracking. Experts note the highly technical and specific nature of the prose, which is intended for administrative and legal application rather than general reading.