【正文】 – 合同的內(nèi)容必須合法– 合同必須符合法律規(guī)定的形式– 合同當事人的意思表示必須真實第三節(jié)　買賣合同的訂立? 合同的形式– 《公約》第 11條 規(guī)定：銷售合同無須以書面訂立或書面證明，在形式方面也不受任何其他條件的限制。? 分析合同是否成立？接受（ Acceptance）? 接受的撤回或修改– 《公約》第 22條：接受撤回的條件－－撤回的通知不晚于接受通知到達發(fā)盤人。– 原因：? 受盤人主觀上有過錯，導致接受逾期? 受盤人主觀上沒有過錯，而接受逾期– 無論哪種情況，逾期接受是否有效關鍵看 發(fā)盤人 如何表態(tài)案例分析? 6月 5日我國 A公司向美國 B公司寄去訂貨單一份，要求對方在 6月 20日前將接受送達 A公司。接受（ Acceptance）? 構成接受的要件– 接受必須由 受盤人 做出；– 接受的內(nèi)容必須與發(fā)盤相符? 對發(fā)盤做出實質性修改視為還盤 ，但對于 非實質性修改 ，除發(fā)盤人在不過分延遲的時間內(nèi)表示反對其間的差異的外， 一般視為有效接受 。案例分析? 我某公司向美國 A公司發(fā)盤出售一批大宗商品，對方在發(fā)盤有效期內(nèi)復電表示接受，同時指出： “凡發(fā)生爭議，雙方應通過友好協(xié)商解決；如果協(xié)商不能解決，應將爭議提交中國國際經(jīng)濟貿(mào)易仲裁委員會仲裁。不料 H公司卻在 4月18日由于未收到紡織廠的回信，已將羊毛賣給另一紡織廠。? 包含兩面含義：一是發(fā)盤人不再受發(fā)盤的約束；二是受盤人失去了接受該盤的權利。發(fā)盤（ Offer）? 5 、發(fā)盤的撤回 (Withdrawal)– 含義：是指發(fā)盤人將尚未被受盤人收到的發(fā)盤予以撤銷的行為。發(fā)盤（ Offer）? 發(fā)盤的有效期 (Time of Validity或 Duration of Offer)– 明確規(guī)定有效期? 明確規(guī)定有效期并非構成發(fā)盤不可缺少的條件。– 詢盤時注意：? 重視交易起點? 分清是詢盤還是發(fā)盤? 利用詢盤探路，但切忌濫用詢盤實例－－ First InquiryAugust 15,2022 Dear Sirs, You are remended to us by London Chamber of Commerce that you are one of the leading cotton textiles. We are interested in your cotton blanket, cotton bedsheets, cotton tablecloth and table napkins. We would like you to send us details of your various ranges, including sizes, colours and prices, and also samples of the different qualities of material used. We take this opportunity to introduce ourselvse to you as large dealers in textiles and believe there is a promising market in our area for moderately priced goods of the kind mentioned. When replying, please state your terms of payment and a trade discount for panies that buy in fairly large quantities. If the prices are in line, we trust important business can materialize. Yours faithfully,United Textiles Limited Manager 詢盤實例－－ Reply to First Inquiry August 31,2022 Dear Sirs, Thank you for your inquiry of Aug. 15. We enclose our illustrated catalogue and price list giving the details you ask for. Samples of our products for which you ask in your letter of August 15 are being sent to you today. We feel confident that you will be satisfied with the goods both excellent in quality and reasonable in price. On regular purchases in quantities of not less than 100 dozen of individual i