編輯實測三封遞進架構強制業務不在第一封就用強硬語氣，給買方合理的解釋空間；第二封的分期付款選項把解決方案主動端出，讓買方感受到你在找出路而非只是要錢。 這組「外貿催款英文信撰寫指令｜禮貌催款不傷關係」是 Prompts 編輯團隊實測整理的職場 AI 指令（Prompt），適合用 ChatGPT、Claude 執行，特別適合「0」等台灣在地場景。複製上方指令範本即可使用，免費、免註冊。
模型實測對照
--- LETTER 1 (Friendly Reminder) ---
Subject: Friendly Reminder – Invoice INV-2026-0318 Payment Due
Dear Sunrise Imports Team,
We hope all is well! This is a gentle reminder that Invoice INV-2026-0318 for USD 18,500.00 was due on [due date]. It is possible this may have slipped through in your busy schedule. Please arrange payment at your earliest convenience. Bank details: [account info]. Thank you!
--- LETTER 2 (Concerned Follow-up) ---
Subject: Follow-Up: Invoice INV-2026-0318 Now 14 Days Overdue
Dear Sunrise Imports Team,
We have not yet received payment for Invoice INV-2026-0318 (USD 18,500.00). We understand that cash flow challenges arise, and we are happy to discuss a structured payment arrangement if needed. Please contact us within 3 business days so we can find a solution together. We value our partnership and want to resolve this promptly.
--- LETTER 3 (Firm Demand) ---
Subject: URGENT: Final Notice – Invoice INV-2026-0318 Overdue 25 Days
Dear Sunrise Imports Team,
Despite previous reminders, Invoice INV-2026-0318 for USD 18,500.00 remains unpaid. We must request immediate settlement by July 5, 2026. Failure to pay by this date may result in suspension of future orders and referral to our legal department. Please contact us immediately to avoid further action.