mandatory standard

基本解釋

If the Chinese signs do not meet the mandatory standard or simply do not, can be identified as counterfeit imports.
如果中文標(biāo)志不符合國家強制標(biāo)準(zhǔn)或者干脆沒有，都可以認定為假冒韓國化妝品品牌排名進口商品。
www.cn-eb.com
From the normative law point of view, mandatory of food safety standards means it has the effectiveness of mandatory, rather than it is the mandatory standard itself.
從規(guī)范法學(xué)角度看，食品安全標(biāo)準(zhǔn)的強制性是指食品安全標(biāo)準(zhǔn)“具有強制效力”，而非食品安全標(biāo)準(zhǔn)本身是強制標(biāo)準(zhǔn)。
em.cjlu.edu.cn
In 1988, China's first food labelling mandatory retro standard for food labelling.
1988年，我國首次制定食品標(biāo)簽強制性國標(biāo)《食品標(biāo)簽通用標(biāo)準(zhǔn)》。

The issue is of particular concern to utilities in the Southeast, like Southern, which argue that there is simply not enough wind energy in the region to warrant a mandatory standard for renewables.
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It's a mandatory fuel standard.
NPR: President Bush's Remarks on the World Agenda
Once adopted as a standard, such devices become virtually mandatory because doctors can also be sued for not using them.
FORBES: Defensive Medicine