Article 16 if final consumers do not use tariff quota within the period of validity of quota license, the original quota license should be returned to original license issuing organs.

第十六条最终用户未在配额证有效期内使用关税配额，需将配额证原件交回原发证机构。

youdao

The quota of four tickets per person had been reduced to two.

每人4张票的限额已减少到了2张。

《柯林斯英汉双解大词典》

I'm going home now—I've done my quota of work for the day.

我现在要回家了—我已完成了今天的工作指标。

《牛津词典》

"I was accepted at Barnard College and I was denied admission when I arrived because they had a quota of two.

VOA: special.2010.04.24

The criteria used for the determination of quota placements does not correlate to educational needs (existing NER).

UNESCO: Laos: Report: Part II: Analytic Section: cont. 2

Recent immigrants and wealthy blacks are thought more deserving of quota favoritism and set-asides than poor whites.

FORBES: Deconstructing President Obama's Strange Stance On Israel

Indeed, the liberal leaders of the party have to play a delicate game of quota politics to please each constituency.

CNN: Commentary: Why Democrats give GOP hope