Weights and Measures (Defences under Section 19) Regulations 2022

Source: Singapore Statutes Online | Archived by Legal Wires

No. S 894
Weights and Measures Act 1975
Weights and Measures
(Defences under Section 19)
Regulations 2022
In exercise of the powers conferred by section 37 of the Weights and Measures Act 1975, the Minister for Trade and Industry makes the following Regulations:
Citation and commencement
1.  These Regulations are the Weights and Measures (Defences under Section 19) Regulations 2022 and come into operation on 21 November 2022.
Inadequate packages and non-standard packages
2.  For the purpose of the definitions of “inadequate package” and “non‑standard package” in section 2(1) of the Act, the prescribed amounts of error are as specified in the First Schedule.
Conditions under section 19(5) of Act
3.—(1)  For the purpose of section 19(5)(b) of the Act, the conditions that the lot of packages is required to meet are as follows:
(a)the number of non-standard packages in a sample of packages taken from the lot of packages is equal to or less than the number of non‑standard packages allowed for the sample;
(b)there are no inadequate packages in the sample.
(2)  For the purpose of paragraph (1)(a), in determining the size of the sample to be taken from a lot of packages and the number of non‑standard packages allowed for the sample —
(a)where the number of packages in the lot of packages is fewer than 100, the sampling plan in Table 1 in the Second Schedule is to be applied; and
(b)in any other case, any of the sampling plans in the Second Schedule may be applied.
Conditions under section 19(6) of Act
4.—(1)  For the purpose of section 19(6)(a)(i) of the Act, in determining if the weighed average quantity of any sample of packages taken from a lot of packages equals to or exceeds the quantity stated on the package or label attached to it —
(a)the sampling plan in Table 1 in the Second Schedule is to be applied; and
(b)the weighed average quantity equals to or exceeds the quantity stated on the package or label attached to it when
where —
(i)eave is the average error of the packages sampled;
(ii)s is the sample standard deviation of the individual errors; and
(iii)SCF is the applicable sample correction factor specified in the fourth column of Table 1 in the Second Schedule.
(2)  In paragraph (1), “error” means the difference between the actual quantity of product in a package and the declared quantity of product stated on that package or on a label attached to that package, expressed as a negative figure if the actual quantity is less than the declared quantity.
(3)  For the purpose of section 19(6)(a)(ii) of the Act, in determining the appropriate number of non-standard packages in any sample of packages taken from a lot of packages —
(a)where the number of packages in the lot of packages is fewer than 100, the sampling plan in Table 1 in the Second Schedule is to be applied; and
(b)in any other case, any of the sampling plans in the Second Schedule may be applied.
(4)  In paragraph (3), “appropriate number of non‑standard packages” means the number of non‑standard packages allowed for a sample of packages.
Revocation
5.  The Weights and Measures (Defences under Section 19) Regulations 2005 (G.N. No. S 845/2005) are revoked.
FIRST SCHEDULE
Regulation 2
AMOUNTS OF ERROR FOR PACKAGES
Declared quantity
(g or ml) in weight or volume
Amount of error
(% of declared quantity)
Amount of error
(g or ml)
Not exceeding 50
9
—
Exceeding 50 but not exceeding 100
—
4.5
Exceeding 100 but not exceeding 200
4.5
—
Exceeding 200 but not exceeding 300
—
9
Exceeding 300 but not exceeding 500
3
—
Exceeding 500 but not exceeding 1,000
—
15
Exceeding 1,000 but not exceeding 10,000
1.5
—
Exceeding 10,000 but not exceeding 15,000
—
150
Exceeding 15,000
1
—
  Errors are to be rounded up to the next 0.1 (g or ml) for a declared quantity less than or equal to 1,000 (g or ml), and to the next whole number (g or ml) for a declared quantity greater than 1,000 (g or ml).
Declared quantity
(m) in length
Amount of error
(% of declared quantity) 
Not exceeding 5
No error allowed
Exceeding 5
2
 
 
Declared quantity
in area
Amount of error
(% of declared quantity)
All quantities
3
Declared quantity
in count
Amount of error
(% of declared quantity) 
Not exceeding 50 items
No error allowed
Exceeding 50 items
1a
aCalculate the error by multiplying the declared quantity by 1% and rounding the result up to the next whole number. The value of this result may be larger than 1% due to the rounding but this is acceptable because the products are whole items and cannot be divided further.
SECOND SCHEDULE
Regulations 3(2) and 4(1) and (3)
table 1

sampling PLAN 1

Number of packages in the lot of packages
Sample size to be taken
Number of non‑standard packages allowed
Sample correction factor (SCF)
from 0 to 20
All
0
NA
21
20
1
0.14
22
21
1
0.14
23
22
1
0.13
24
23
1
0.12
25
24
1
0.12
26
25
1
0.11
27
26
1
0.11
28
27
1
0.10
29
23
1
0.27
30
24
1
0.26
31
25
1
0.25
32
26
1
0.24
33
27
1
0.23
34
28
1
0.22
35
28
1
0.24
36
29
1
0.23
37
30
1
0.22
38
31
1
0.21
39
32
1
0.21
40
32
1
0.22
41
28
1
0.30
42
29
1
0.29
43
29
1
0.30
44
30
1
0.29
45
31
1
0.28
46
31
1
0.29
47
32
1
0.28
48
33
1
0.27
49
33
1
0.28
50
34
1
0.27
51
35
1
0.26
52
35
1
0.27
53
31
1
0.32
54
31
1
0.33
55
32
1
0.32
56
33
1
0.31
57
33
1
0.31
58
34
1
0.30
59
34
1
0.31
60
35
1
0.30
61
46
2
0.20
62
47
2
0.19
63
47
2
0.20
64
42
2
0.25
65
43
2
0.24
66
44
2
0.24
67
44
2
0.24
68
45
2
0.24
69
46
2
0.23
70
46
2
0.23
71
47
2
0.23
72
48
2
0.23
73
48
2
0.23
74
49
2
0.22
75
50
2
0.22
76
45
2
0.26
77
46
2
0.25
78
46
2
0.26
79
47
2
0.25
80
47
2
0.25
81
48
2
0.25
82
49
2
0.24
83
49
2
0.25
84
50
2
0.24
85
50
2
0.24
86
51
2
0.24
87
46
2
0.27
88
47
2
0.27
89
47
2
0.27
90
48
2
0.27
91
49
2
0.26
92
49
2
0.26
93
50
2
0.26
94
50
2
0.26
95
51
2
0.26
96
51
2
0.26
97
52
2
0.25
98
52
2
0.26
99
48
2
0.28
100
49
2
0.28
101
60
3
0.22
102
61
3
0.22
103
61
3
0.22
104
62
3
0.22
105
63
3
0.21
106
63
3
0.21
107
64
3
0.21
108
64
3
0.21
109
65
3
0.21
110
66
3
0.21
111
61
3
0.23
112
61
3
0.23
113
62
3
0.23
114
62
3
0.23
115
63
3
0.23
116
63
3
0.23
117
64
3
0.22
118
65
3
0.22
119
65
3
0.22
120
66
3
0.22
121
66
3
0.22
122
62
3
0.24
123
62
3
0.24
124
63
3
0.24
125
63
3
0.24
126
64
3
0.23
127
64
3
0.23
128
65
3
0.23
129
65
3
0.23
130
66
3
0.23
131
66
3
0.23
132
67
3
0.23
133
67
3
0.23
134
63
3
0.24
135
64
3
0.24
136
64
3
0.24
137
47
2
0.32
138
47
2
0.32
139
48
2
0.31
140
48
2
0.32
141
59
3
0.27
142
60
3
0.26
143
60
3
0.26
144
61
3
0.26
145
57
3
0.28
146
58
3
0.27
147
58
3
0.27
148
59
3
0.27
149
59
3
0.27
150
59
3
0.27
151
60
3
0.27
152
60
3
0.27
153
61
3
0.26
154
61
3
0.27
155
61
3
0.27
156
62
3
0.26
157
59
3
0.27
158
59
3
0.28
159
59
3
0.28
160
60
3
0.27
161
60
3
0.27
162
61
3
0.27
163
61
3
0.27
164
61
3
0.27
165
62
3
0.27
166
62
3
0.27
167
63
3
0.27
168
59
3
0.28
169
60
3
0.28
170
60
3
0.28
171
61
3
0.27
172
61
3
0.27
173
61
3
0.27
174
62
3
0.27
175
62
3
0.27
176
62
3
0.27
177
63
3
0.27
178
63
3
0.27
179
63
3
0.27
180
61
3
0.28
181
61
3
0.28
182
61
3
0.28
183
62
3
0.28
184
62
3
0.28
185
62
3
0.28
186
63
3
0.27
187
63
3
0.27
188
63
3
0.27
189
64
3
0.27
190
64
3
0.27
191
64
3
0.27
192
61
3
0.28
193
62
3
0.28
194
62
3
0.28
195
62
3
0.28
196
63
3
0.28
197
63
3
0.28
198
63
3
0.28
199
64
3
0.27
200
64
3
0.27
201
64
3
0.27
202
65
3
0.27
203
62
3
0.28
204
62
3
0.28
205
63
3
0.28
206
63
3
0.28
207
63
3
0.28
208
63
3
0.28
209
64
3
0.28
210
64
3
0.28
211
64
3
0.28
212
65
3
0.27
213
65
3
0.28
214
65
3
0.28
215
63
3
0.28
216
63
3
0.28
217
63
3
0.28
218
64
3
0.28
219
64
3
0.28
220
64
3
0.28
221
76
4
0.25
222
76
4
0.25
223
77
4
0.24
224
77
4
0.24
225
78
4
0.24
226
75
4
0.25
227
75
4
0.25
228
75
4
0.25
229
76
4
0.25
230
76
4
0.25
231
76
4
0.25
232
77
4
0.25
233
77
4
0.25
234
77
4
0.25
235
78
4
0.24
236
78
4
0.25
237
78
4
0.25
238
64
3
0.28
239
64
3
0.28
240
64
3
0.28
241
65
3
0.28
242
65
3
0.28
243
65
3
0.28
244
65
3
0.28
245
66
3
0.28
246
66
3
0.28
247
66
3
0.28
248
67
3
0.28
249
67
3
0.28
250
64
3
0.29
251
65
3
0.28
252
65
3
0.28
253
65
3
0.28
254
65
3
0.28
255
66
3
0.28
256
66
3
0.28
257
66
3
0.28
258
66
3
0.28
259
67
3
0.28
260
67
3
0.28
261
77
4
0.25
262
77
4
0.25
263
77
4
0.25
264
77
4
0.25
265
78
4
0.25
266
78
4
0.25
267
78
4
0.25
268
79
4
0.25
269
79
4
0.25
270
79
4
0.25
271
80
4
0.25
272
80
4
0.25
273
77
4
0.26
274
78
4
0.25
275
78
4
0.25
276
78
4
0.25
277
78
4
0.25
278
79
4
0.25
279
79
4
0.25
280
79
4
0.25
281
80
4
0.25
282
80
4
0.25
283
80
4
0.25
284
78
4
0.26
285
78
4
0.26
286
78
4
0.26
287
78
4
0.26
288
79
4
0.25
289
79
4
0.25
290
79
4
0.25
291
79
4
0.25
292
80
4
0.25
293
80
4
0.25
294
80
4
0.25
295
81
4
0.25
296
66
3
0.29
297
66
3
0.29
298
66
3
0.29
299
67
3
0.29
300
67
3
0.29
301
79
4
0.26
302
80
4
0.25
303
80
4
0.25
304
80
4
0.25
305
81
4
0.25
306
81
4
0.25
307
78
4
0.26
308
79
4
0.26
309
79
4
0.26
310
79
4
0.26
311
79
4
0.26
312
80
4
0.25
313
80
4
0.26
314
80
4
0.26
315
80
4
0.26
316
81
4
0.25
317
81
4
0.25
318
81
4
0.25
319
79
4
0.26
320
79
4
0.26
321
79
4
0.26
322
80
4
0.26
323
80
4
0.26
324
80
4
0.26
325
80
4
0.26
326
81
4
0.25
327
81
4
0.25
328
81
4
0.25
329
81
4
0.25
330
82
4
0.25
331
79
4
0.26
332
80
4
0.26
333
80
4
0.26
334
80
4
0.26
335
80
4
0.26
336
81
4
0.26
337
81
4
0.26
338
81
4
0.26
339
81
4
0.26
340
82
4
0.25
341
82
4
0.25
342
80
4
0.26
343
80
4
0.26
344
80
4
0.26
345
80
4
0.26
346
81
4
0.26
347
81
4
0.26
348
81
4
0.26
349
81
4
0.26
350
82
4
0.26
351
82
4
0.26
352
82
4
0.26
353
82
4
0.26
354
80
4
0.26
355
80
4
0.26
356
81
4
0.26
357
81
4
0.26
358
81
4
0.26
359
81
4
0.26
360
81
4
0.26
361
82
4
0.26
362
82
4
0.26
363
82
4
0.26
364
82
4
0.26
365
80
4
0.26
366
80
4
0.26
367
81
4
0.26
368
81
4
0.26
369
81
4
0.26
370
81
4
0.26
371
82
4
0.26
372
82
4
0.26
373
82
4
0.26
374
82
4
0.26
375
82
4
0.26
376
83
4
0.26
377
81
4
0.26
378
81
4
0.26
379
81
4
0.26
380
81
4
0.26
381
82
4
0.26
382
82
4
0.26
383
82
4
0.26
384
82
4
0.26
385
82
4
0.26
386
83
4
0.26
387
83
4
0.26
388
83
4
0.26
389
81
4
0.26
390
81
4
0.26
391
81
4
0.26
392
82
4
0.26
393
82
4
0.26
394
82
4
0.26
395
82
4
0.26
396
82
4
0.26
397
83
4
0.26
398
83
4
0.26
399
83
4
0.26
400
81
4
0.26
401
81
4
0.26
402
82
4
0.26
403
82
4
0.26
404
82
4
0.26
405
82
4
0.26
406
82
4
0.26
407
83
4
0.26
408
83
4
0.26
409
83
4
0.26
410
79
4
0.27
411
80
4
0.27
412
78
4
0.27
413
78
4
0.27
414
78
4
0.27
415
79
4
0.27
416
79
4
0.27
417
79
4
0.27
418
79
4
0.27
419
79
4
0.27
420
79
4
0.27
421
80
4
0.27
422
80
4
0.27
423
78
4
0.27
424
78
4
0.27
425
79
4
0.27
426
79
4
0.27
427
79
4
0.27
428
79
4
0.27
429
79
4
0.27
430
79
4
0.27
431
80
4
0.27
432
80
4
0.27
433
80
4
0.27
434
80
4
0.27
435
79
4
0.27
436
79
4
0.27
437
79
4
0.27
438
79
4
0.27
439
79
4
0.27
440
79
4
0.27
441
80
4
0.27
442
80
4
0.27
443
80
4
0.27
444
80
4
0.27
445
80
4
0.27
446
79
4
0.27
447
79
4
0.27
448
79
4
0.27
449
79
4
0.27
450
79
4
0.27
451
80
4
0.27
452
80
4
0.27
453
80
4
0.27
454
80
4
0.27
455
80
4
0.27
456
81
4
0.27
457
81
4
0.27
458
79
4
0.27
459
79
4
0.27
460
79
4
0.27
461
80
4
0.27
462
80
4
0.27
463
80
4
0.27
464
80
4
0.27
465
80
4
0.27
466
80
4
0.27
467
81
4
0.27
468
81
4
0.27
469
81
4
0.27
470
79
4
0.27
471
80
4
0.27
472
80
4
0.27
473
80
4
0.27
474
80
4
0.27
475
80
4
0.27
476
80
4
0.27
477
81
4
0.27
478
81
4
0.27
479
81
4
0.27
480
81
4
0.27
481
80
4
0.27
482
80
4
0.27
483
80
4
0.27
484
80
4
0.27
485
80
4
0.27
486
80
4
0.27
487
81
4
0.27
488
81
4
0.27
489
81
4
0.27
490
81
4
0.27
491
81
4
0.27
492
81
4
0.27
493
80
4
0.27
494
80
4
0.27
495
80
4
0.27
496
80
4
0.27
497
81
4
0.27
498
81
4
0.27
499
81
4
0.27
500
81
4
0.27
501
81
4
0.27
502
81
4
0.27
503
82
4
0.27
504
80
4
0.27
505
80
4
0.27
506
80
4
0.27
507
80
4
0.27
508
81
4
0.27
509
81
4
0.27
510
81
4
0.27
511
81
4
0.27
512
81
4
0.27
513
81
4
0.27
514
82
4
0.27
515
82
4
0.27
516
80
4
0.27
517
80
4
0.27
518
81
4
0.27
519
81
4
0.27
520
81
4
0.27
521
81
4
0.27
522
81
4
0.27
523
81
4
0.27
524
82
4
0.27
525
82
4
0.27
526
82
4
0.27
527
82
4
0.27
528
81
4
0.27
529
81
4
0.27
530
81
4
0.27
531
81
4
0.27
532
81
4
0.27
533
81
4
0.27
534
81
4
0.27
535
82
4
0.27
536
82
4
0.27
537
82
4
0.27
538
82
4
0.27
539
81
4
0.27
540
81
4
0.27
541
81
4
0.27
542
81
4
0.27
543
81
4
0.27
544
81
4
0.27
545
82
4
0.27
546
82
4
0.27
547
82
4
0.27
548
82
4
0.27
549
82
4
0.27
550
82
4
0.27
551
81
4
0.27
552
81
4
0.27
553
81
4
0.27
554
81
4
0.27
555
82
4
0.27
556
82
4
0.27
557
82
4
0.27
558
82
4
0.27
559
82
4
0.27
560
82
4
0.27
561
82
4
0.27
562
81
4
0.27
563
81
4
0.27
564
81
4
0.27
565
81
4
0.27
566
82
4
0.27
567
82
4
0.27
568
82
4
0.27
569
82
4
0.27
570
82
4
0.27
571
82
4
0.27
572
83
4
0.27
573
83
4
0.27
574
81
4
0.27
575
81
4
0.27
576
82
4
0.27
577
82
4
0.27
578
82
4
0.27
579
82
4
0.27
580
82
4
0.27
581
82
4
0.27
582
82
4
0.27
583
83
4
0.27
584
83
4
0.27
585
81
4
0.27
586
82
4
0.27
587
82
4
0.27
588
82
4
0.27
589
82
4
0.27
590
82
4
0.27
591
82
4
0.27
592
82
4
0.27
593
83
4
0.27
594
83
4
0.27
595
83
4
0.27
596
83
4
0.27
597
82
4
0.27
598
82
4
0.27
599
82
4
0.27
from 600 to 656
98
5
0.24
from 657 to 1,261
98
5
0.25
from 1,262 to 31,094
98
5
0.26
from 31,095 to 100,000
98
5
0.27
Table 2

Sampling PLAN 2 (stepwise samplinG)

Number of packages in the lot of packages
Step no.
Cumulative sample size
Number of non‑standard packages allowed
Minimum
Maximum


100


139
1
35
0
2
50
1
3
60
2
4
75
3
 
 
1
35
0
 
 
2
50
1
140
289
3
65
2
 
 
4
80
3
 
 
5
95
4




290




999
1
40
0
2
50
1
3
70
2
4
90
3
5
100
4
6
115
5
 
 
1
40
0
 
 
2
55
1
 
 
3
70
2
1,000
100,000
4
95
3
 
 
5
105
4
 
 
6
120
5
 
 
7
135
6
The stepwise sampling plan is to be applied as follows:
1.  According to the number of packages in the lot of packages as set out in the first column of the table, apply the sampling plan steps applicable to that given number of packages. Starting from Step 1 in the second column of the table, take the sample size indicated in the third column of the table and determine the number of non‑standard packages in the sample. If the number of non‑standard packages in the sample of packages does not exceed the number of non‑standard packages allowed at that step (as set out in the fourth column of the table), the lot of packages meets the condition under regulation 3(1)(a) and section 19(6)(a)(ii) of the Act.
2.  Should the number of non‑standard packages at Step 1 exceed the allowed number at that step, more samples are to be inspected up to the indicated cumulative sample sizes* at each of the next steps. If the number of non‑standard packages in the cumulative sample size inspected at any of the next steps does not exceed the number of non‑standard packages allowed for that step, the lot of packages meets the condition under regulation 3(1)(a) and section 19(6)(a)(ii) of the Act.
3.  The lot of packages is rejected if, in the final step applicable to that lot of packages, the number of non-standard packages in the cumulative sample size exceeds the number of non-standard packages allowed for that step.
Example
      A sample of 35 packages is taken from a lot of 120 packages (Step 1) and one non‑standard package is discovered. A further 15 packages are taken from the lot, for a cumulative sample size of 50 packages (Step 2). If the number of non‑standard packages remains at one, the lot of 120 packages meets the condition under regulation 3(1)(a) and section 19(6)(a)(ii) of the Act.
*
The cumulative sample size refers to the total number of packages to be inspected at each step, inclusive of the packages inspected from previous steps, if any.
Made on 16 November 2022.
LEE CHUAN TECK
Permanent Secretary
(Development),
Ministry of Trade and Industry,
Singapore.
[MTI 919-04-0001; AG/LEGIS/SL/349/2020/3 Vol. 1]

Archived for legal research. Authoritative version at sso.agc.gov.sg.