關於「Waiver letter」標籤，搜尋引擎有相關的訊息討論：

GL25-11 | Rulebook - Rules and Guidanceen-rules.hkex.com.hk › rulebookGL9-09 | Rulebook - Rules and Guidanceen-rules.hkex.com.hk › rulebookCompanies Receiving Foreign Income - Singapore - IRASwww.iras.gov.sg › taxes › income-deductions-for-companies5 Types Of Waiver Clauses - C