Schedule 4 PRESCRIBED LIMITS OF ERROR

TABLE 1

Metric except carat (metric) weights of not less than 50 mg

1.	2.	3.
Purported mass of the weight	Prescribed limits of error on passing as fit for use for trade (+ only)	Prescribed limits of error in relation to the obliteration of the stamp (±)
25 kg	4000 mg	4000 mg
20 kg	3200 mg	3200 mg
10 kg	1600 mg	1600 mg
5 kg	800 mg	800 mg
2 kg	400 mg	400 mg
1 kg	200 mg	200 mg
500 g	100 mg	100 mg
200 g	50 mg	50 mg
100 g	30 mg	30 mg
50 g	30 mg	30 mg
20 g	20 mg	20 mg
15 g	20 mg	20 mg
10 g	20 mg	20 mg
5 g	10 mg	10 mg
4 g	10 mg	10 mg
3 g	5 mg	5 mg
2 g	5 mg	5 mg
1 g	5 mg	5 mg
500 mg	2.5 mg	2.5 mg
400 mg	2.5 mg	2.5 mg
300 mg	2 mg	2 mg
200 mg	2 mg	2 mg
150 mg	2 mg	2 mg
100 mg	1.5 mg	1.5 mg
50 mg	1.2 mg	1.2 mg

TABLE 2

Metric except carat (metric) weights of not more than 20 mg

1.	2.	3.
Purported mass of the weight	Prescribed limits of error on passing as fit for use for trade (±)	Prescribed limits of error in relation to the obliteration of the stamp (±)
20 mg	0.3 mg	0.6 mg
10 mg	0.25 mg	0.5 mg
5 mg	0.2 mg	0.4 mg
2 mg	0.2 mg	0.4 mg
1 mg	0.2 mg	0.4 mg

TABLE 3

Carat (metric) weights

1.	2.	3.
Purported mass of the weight	Prescribed limits of error on passing as fit for use for trade (±)	Prescribed limits of error in relation to the obliteration of the stamp (±)
500 C.M.	5.0 mg	10.0 mg
200 C.M.	3.0 mg	6.0 mg
100 C.M.	2.5 mg	5.0 mg
50 C.M.	2.0 mg	4.0 mg
20 C.M.	1.5 mg	3.0 mg
10 C.M.	1.2 mg	2.4 mg
5 C.M.	1.0 mg	2.0 mg
2 C.M.	0.7 mg	1.4 mg
1 C.M.	0.6 mg	1.2 mg
0.5 C.M.	0.5 mg	1.0 mg
0.25 C.M.	0.4 mg	0.8 mg
0.2 C.M.	0.4 mg	0.8 mg
0.1 C.M.	0.3 mg	0.6 mg
0.05 C.M.	0.2 mg	0.4 mg
0.02 C.M.	0.2 mg	0.4 mg
0.01 C.M.	0.2 mg	0.4 mg

TABLE 4

Avoirdupois weights

1.	2.	3.
Purported mass of the weight	Prescribed limits of error on passing as fit for use for trade (+ only)	Prescribed limits of error in relation to the obliteration of the stamp (±)
56 lb	4000 mg	4000 mg
50 lb	3600 mg	3600 mg
28 lb	2000 mg	2000 mg
20 lb	1500 mg	1500 mg
14 lb	1000 mg	1000 mg
10 lb	750 mg	750 mg
7 lb	560 mg	560 mg
5 lb	450 mg	450 mg
4 lb	360 mg	360 mg
2 lb	180 mg	180 mg
1 lb	100 mg	100 mg
8 oz	60 mg	60 mg
4 oz	35 mg	35 mg
2 oz	30 mg	30 mg
1 oz	25 mg	25 mg
1/2 oz	20 mg	20 mg
1/4 oz	15 mg	15 mg
1/8 oz	10 mg	10 mg
1/16 oz	5 mg	5 mg
1/32 oz	5 mg	5 mg

TABLE 5

Weights expressed as multiples or fractions of 1/7000 lb

1.	2.	3.
Purported mass of the weight	Prescribed limits of error on passing as fit for use for trade (±)	Prescribed limits of error in relation to the obliteration of the stamp (±)
100	1.65 mg	3.30 mg
50	1.32 mg	2.64 mg
30	1.20 mg	2.40 mg
20	1.06 mg	2.12 mg
10	0.86 mg	1.72 mg
5	0.68 mg	1.36 mg
3	0.60 mg	1.20 mg
2	0.53 mg	1.06 mg
1	0.43 mg	0.86 mg
0.5	0.34 mg	0.68 mg
0.3	0.30 mg	0.60 mg
0.2	0.27 mg	0.54 mg
0.1	0.21 mg	0.42 mg
0.05	0.20 mg	0.40 mg
0.03	0.20 mg	0.40 mg
0.02	0.20 mg	0.40 mg
0.01	0.20 mg	0.40 mg

TABLE 6

Ounce troy weights

1.	2.	3.
Purported mass of the weight	Prescribed limits of error on passing as fit for use for trade (±)	Prescribed limits of error in relation to the obliteration of the stamp (±)
500 oz tr	780 mg	1560 mg
400 oz tr	620 mg	1240 mg
300 oz tr	465 mg	930 mg
200 oz tr	310 mg	620 mg
100 oz tr	155 mg	310 mg
50 oz tr	80 mg	160 mg
40 oz tr	60 mg	120 mg
30 oz tr	50 mg	100 mg
20 oz tr	30 mg	60 mg
10 oz tr	15 mg	30 mg
5 oz tr	8 mg	16 mg
4 oz tr	6 mg	12 mg
3 oz tr	5 mg	10 mg
2 oz tr	3.5 mg	7 mg
1 oz tr	2.7 mg	5.4 mg
0.5 oz tr	2.3 mg	4.6 mg
0.4 oz tr	2.1 mg	4.2 mg
0.3 oz tr	1.9 mg	3.8 mg
0.2 oz tr	1.6 mg	3.2 mg
0.1 oz tr	1.3 mg	2.6 mg
0.05 oz tr	1.1 mg	2.2 mg
0.04 oz tr	1.0 mg	2.0 mg
0.03 oz tr	1.0 mg	2.0 mg
0.025 oz tr	0.9 mg	1.8 mg
0.02 oz tr	0.8 mg	1.6 mg
0.01 oz tr	0.7 mg	1.4 mg
0.005 oz tr	0.6 mg	1.2 mg
0.004 oz tr	0.5 mg	1.0 mg
0.003 oz tr	0.5 mg	1.0 mg
0.002 oz tr	0.4 mg	0.8 mg
0.001 oz tr	0.3 mg	0.6 mg