Section 15-20 - Wyoming Consumer Grades and Weight Classes for Shell Eggs (a) Grades (i) Wyoming grade AA. (A) Wyoming consumer grade AA must consist of eggs which are 85% AA quality at origin. Within the 15% which may be below AA quality, not more than 5% may be B quality or checks in any combination. No dirties or loss eggs are permitted. (B) Wyoming consumer grade AA must consist of eggs which are 80% AA quality at destination. Within the 20% which may be below AA quality, not more than 5% may be B quality, checks in any combination, and not more than 0.5% leakers or dirties in any combination. (ii) Wyoming grade A. (A) Wyoming consumer grade A at origin must consist of eggs which are 85% A quality or better. Within the 15% which may be below A quality, not more than 5% may be checks. No dirties or loss eggs are permitted. (B) Wyoming consumer grade A at destination must consist of eggs which are 80% A quality or better. Within the 20% which may be below A quality, not more than 5% may be checks, and not more than 0.5°% leakers and dirties. (iii) Wyoming grade B: (A) Wyoming consumer grade B at origin must consist of eggs which are 85% B quality or better. Not more than 10% may be checks. No dirties or loss eggs are permitted. (B) Wyoming consumer grade B at destination must consist of eggs which are 80% B quality or better. Not more than 10% may be checks and not more than 0.5% leakers and dirties. (iv) Additional tolerances: (A) In lots of two (2) or more cases: (I) For grade AA: (1.) No individual case may exceed 10% fewer AA quality eggs than the minimum permitted for the lot average. (II) For grade A: (1.) No individual case may exceed 10% fewer A quality eggs than the minimum permitted for the lot average. (III) For grade B: (1.) No individual case may exceed 10% fewer B quality eggs than the minimum permitted for the lot average. (B) In lots of 2 or more cartons, no individual carton may contain less than 8 eggs of the specified quality and no individual carton may contain less than ten (10) eggs of the specified quality and the next lower quality. The remaining two (2) eggs may consist of a combination of qualities below the next lower quality (i.e., in lots of grade A, not more than two (2) eggs of the qualities in individual cartons within the sample may be checks.) (b) Weight classes: (i) The Wyoming consumer grades and weight classes for shell eggs are as indicated in the following table and shall apply to eggs sold by size.
| Size or Weight Class | Minimum Net Weight Per Dozen | Minimum Net Weight Per 30 Dozen | Minimum Weight for Individual Eggs at Rate Per Dozen |
| Oz (kgms) | Lbs (kgm) | Oz (gms) |
| Jumbo | 30 (.85) | 56 (25.4) | 29 (.82) |
| Extra Large | 27 (.77) | 50 ½ (22.9) | 26 (.74) |
| Large | 24 (.68) | 45 (20.4) | 23 (.65) |
| Medium | 21 (.6) | 39 ½ (17.9) | 20 (.57) |
| Small | 18 (.51) | 34 (15.4) | 17 (.48) |
| Peewee | 15 (.43) | 28 (12.7) | -- |
(ii) A lot average tolerance of 3.3% for individual eggs in the next lower weight class is permitted as long as no individual case within the lot exceeds 5%. 010-15 Wyo. Code R. § 15-20