When you buy things that are sold by weight or measure, the seller must tell you the net weight or measure. This means they should give you the actual amount of the product, without including the weight of any packaging or container.
However, some items might not have to follow this rule. The government can make special rules to say that certain things don't need to be sold by net weight or measure. These exceptions are listed in a part of the law called section 41.
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View the original legislation for this page at https://legislation.govt.nz/act/public/1986/0120/latest/link.aspx?id=DLM102558.
11: Exceptions to obligation to use metric weights and measures in advertising goods for sale, or
"When you don't need to use metric measurements in ads for selling things"
13: Obligation in respect of invoice or delivery note, or
"Seller must give you a note with details when delivering goods sold by weight or measure"
Subject to subsection (2), all goods sold or offered or exposed for sale by weight or measure by any person shall be sold or offered or exposed for sale by net weight or measure.
Nothing in subsection (1) applies to goods exempted from the provisions of this section by regulations made under section 41.
