# Commission Regulation (EC) No 1863/2004 of 26 October 2004 laying down the marketing standard applicable to cultivated mushrooms, Division B: Classification

Extent: E+W+S+N.I.

The mushrooms are classified in three classes defined below:
(i) ‘Extra’ Class
Mushrooms in this class must be of superior quality. In shape, appearance, development and colouring they must be characteristic of the commercial type. They must be well formed.
They must be free from defects with the exception of very slight superficial defects provided these do not affect the general appearance of the produce, the quality, the keeping quality and presentation in the package.
In the case of cut mushrooms, the cut must be approximately perpendicular to the longitudinal axis..
The mushrooms must be practically free of casing material; uncut mushrooms may also have traces of casing material on the foot.
(ii) Class I
Mushrooms in this class must be of good quality. In shape, appearance, development and colouring they must be characteristic of the commercial type.
The following slight defects, however, may be allowed provided these do not affect the general appearance of the produce, the quality, the keeping quality and presentation in the package:
slight defect in shape,
slight defect in colouring,
slight superficial bruising,
slight traces of casing material; uncut mushrooms may also have some casing material on the foot.
In the case of cut mushrooms, the cut must be approximately perpendicular to the longitudinal axis.
(iii) Class II
This class includes mushrooms which do not qualify for inclusion in the higher classes but satisfy the minimum requirements specified above.
The following defects may be allowed provided the mushrooms retain their essential characteristics as regards the quality, the keeping quality and presentation:
defect in shape,
defect in colouring,
slight bruising,
slight damage to the stalk,
slight internal moisture of the stalk,
discoloured feathering,
hollow stalks,
traces of casing material; uncut mushrooms may also have some casing material on the foot.

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Source: https://www.legislation.gov.uk/eur/2004/1863/annex/division/II/division/B (the official version)
Page: https://openlegislation.uk/eu-regulation-2004-1863/annex/division-II/division-B
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.