Waste Disposal Act Article 22

The central competent authority may designate and officially announce categories of regulated recyclable waste to be recycled through recycling incentive methods and the monetary amounts of recycling incentives.A vendor shall pay consumers in accordance with the officially announced monetary amounts of recycling incentives, and may not refuse.
中文原文 廢棄物清理法第22條
中央主管機關得指定公告以回收獎勵金方式,回收應回收廢棄物之種類及其回收獎勵金數額。
販賣業應依公告之回收獎勵金數額支付消費者,不得拒絕。

English translation for reference only; the Chinese text prevails. Not legal advice.