2025年發(fā)票開具系統(tǒng)技術(shù)升級與擴(kuò)展服務(wù)合同3篇

20XX專業(yè)合同封面COUNTRACTCOVER20XX專業(yè)合同封面COUNTRACTCOVER甲方：XXX乙方：XXXPERSONALRESUMERESUME2025年發(fā)票開具系統(tǒng)技術(shù)升級與擴(kuò)展服務(wù)合同本合同目錄一覽1.合同雙方基本信息1.1合同雙方名稱1.2合同雙方法定代表人1.3合同雙方聯(lián)系方式2.合同標(biāo)的2.1技術(shù)升級與擴(kuò)展服務(wù)內(nèi)容2.2技術(shù)升級與擴(kuò)展服務(wù)范圍2.3技術(shù)升級與擴(kuò)展服務(wù)期限3.技術(shù)升級與擴(kuò)展服務(wù)費(fèi)用3.1費(fèi)用總額3.2費(fèi)用支付方式3.3費(fèi)用支付時(shí)間4.技術(shù)升級與擴(kuò)展服務(wù)交付4.1交付時(shí)間4.2交付地點(diǎn)4.3交付方式5.技術(shù)支持與售后服務(wù)5.1技術(shù)支持內(nèi)容5.2售后服務(wù)內(nèi)容5.3技術(shù)支持與售后服務(wù)期限6.知識產(chǎn)權(quán)6.1知識產(chǎn)權(quán)歸屬6.2知識產(chǎn)權(quán)保護(hù)6.3知識產(chǎn)權(quán)侵權(quán)責(zé)任7.違約責(zé)任7.1違約情形7.2違約責(zé)任承擔(dān)7.3違約責(zé)任賠償8.保密條款8.1保密內(nèi)容8.2保密期限8.3保密責(zé)任9.合同解除與終止9.1合同解除條件9.2合同終止條件9.3合同解除與終止后的處理10.爭議解決10.1爭議解決方式10.2爭議解決機(jī)構(gòu)10.3爭議解決程序11.合同生效11.1合同生效條件11.2合同生效時(shí)間11.3合同生效地點(diǎn)12.合同附件12.1附件一：技術(shù)升級與擴(kuò)展服務(wù)方案12.2附件二：費(fèi)用清單12.3附件三：其他相關(guān)文件13.合同變更與解除13.1合同變更條件13.2合同解除條件13.3合同變更與解除程序14.其他14.1合同簽訂日期14.2合同簽訂地點(diǎn)14.3合同份數(shù)第一部分：合同如下：1.合同雙方基本信息1.1合同雙方名稱甲方：科技有限公司乙方：YY信息技術(shù)有限公司1.2合同雙方法定代表人甲方法定代表人：乙方法定代表人：1.3合同雙方聯(lián)系方式2.合同標(biāo)的2.1技術(shù)升級與擴(kuò)展服務(wù)內(nèi)容甲方現(xiàn)有的發(fā)票開具系統(tǒng)進(jìn)行技術(shù)升級，包括但不限于系統(tǒng)性能優(yōu)化、功能擴(kuò)展、安全加固等。2.2技術(shù)升級與擴(kuò)展服務(wù)范圍包括但不限于系統(tǒng)架構(gòu)優(yōu)化、數(shù)據(jù)庫升級、接口開發(fā)、安全漏洞修復(fù)、用戶培訓(xùn)等。2.3技術(shù)升級與擴(kuò)展服務(wù)期限自合同簽訂之日起至2025年12月31日止。3.技術(shù)升級與擴(kuò)展服務(wù)費(fèi)用3.1費(fèi)用總額人民幣壹拾萬元整（￥100,000.00）。3.2費(fèi)用支付方式甲方分三次支付費(fèi)用，具體支付時(shí)間及金額如下：首次支付：合同簽訂后5個(gè)工作日內(nèi)支付人民幣叁萬元整（￥30,000.00）；第二次支付：系統(tǒng)升級完成并經(jīng)甲方驗(yàn)收合格后5個(gè)工作日內(nèi)支付人民幣伍萬元整（￥50,000.00）；第三次支付：系統(tǒng)運(yùn)行穩(wěn)定，滿足甲方需求后5個(gè)工作日內(nèi)支付人民幣貳拾萬元整（￥20,000.00）。3.3費(fèi)用支付時(shí)間按照上述費(fèi)用支付方式規(guī)定的具體時(shí)間執(zhí)行。4.技術(shù)升級與擴(kuò)展服務(wù)交付4.1交付時(shí)間甲方應(yīng)在合同簽訂后30個(gè)工作日內(nèi)完成技術(shù)升級與擴(kuò)展服務(wù)。4.2交付地點(diǎn)乙方指定的工作地點(diǎn)。4.3交付方式乙方通過遠(yuǎn)程或現(xiàn)場的方式進(jìn)行技術(shù)升級與擴(kuò)展服務(wù)的交付。5.技術(shù)支持與售后服務(wù)5.1技術(shù)支持內(nèi)容包括但不限于系統(tǒng)運(yùn)行問題解答、技術(shù)指導(dǎo)、故障排除等。5.2售后服務(wù)內(nèi)容包括但不限于系統(tǒng)升級、維護(hù)、故障修復(fù)等。5.3技術(shù)支持與售后服務(wù)期限自系統(tǒng)交付之日起至2026年12月31日止。6.知識產(chǎn)權(quán)6.1知識產(chǎn)權(quán)歸屬乙方對本次技術(shù)升級與擴(kuò)展服務(wù)所涉及的知識產(chǎn)權(quán)享有所有權(quán)。6.2知識產(chǎn)權(quán)保護(hù)乙方應(yīng)采取必要的措施保護(hù)甲方對系統(tǒng)的知識產(chǎn)權(quán)。6.3知識產(chǎn)權(quán)侵權(quán)責(zé)任若因乙方原因?qū)е录追街R產(chǎn)權(quán)受到侵犯，乙方應(yīng)承擔(dān)相應(yīng)的法律責(zé)任。8.保密條款8.1保密內(nèi)容本合同項(xiàng)下涉及的技術(shù)信息、商業(yè)秘密、客戶信息等均屬保密信息。8.2保密期限本合同項(xiàng)下的保密義務(wù)自合同簽訂之日起至合同終止后五年內(nèi)持續(xù)有效。8.3保密責(zé)任雙方均應(yīng)采取合理的保密措施，防止保密信息的泄露，并對泄露保密信息的行為承擔(dān)相應(yīng)的法律責(zé)任。9.違約責(zé)任9.1違約情形乙方未按約定時(shí)間完成技術(shù)升級與擴(kuò)展服務(wù)；乙方交付的軟件或服務(wù)不符合合同約定；甲方未按約定支付費(fèi)用；雙方任何一方泄露對方保密信息。9.2違約責(zé)任承擔(dān)違約方應(yīng)承擔(dān)違約責(zé)任，包括但不限于支付違約金、賠償損失、恢復(fù)原狀等。9.3違約責(zé)任賠償違約金為未履行部分費(fèi)用的20%，實(shí)際損失超過違約金的部分，違約方應(yīng)予以賠償。10.爭議解決10.1爭議解決方式雙方應(yīng)友好協(xié)商解決合同履行過程中的爭議。10.2爭議解決機(jī)構(gòu)協(xié)商不成時(shí)，任何一方均可向合同簽訂地人民法院提起訴訟。10.3爭議解決程序訴訟過程中，雙方應(yīng)積極配合法院調(diào)查取證，按照法院的判決執(zhí)行。11.合同生效11.1合同生效條件本合同自雙方簽字蓋章之日起生效。11.2合同生效時(shí)間合同生效時(shí)間為2025年5月1日。11.3合同生效地點(diǎn)合同生效地點(diǎn)為合同簽訂地。12.合同附件12.1附件一：技術(shù)升級與擴(kuò)展服務(wù)方案12.2附件二：費(fèi)用清單12.3附件三：其他相關(guān)文件13.合同變更與解除13.1合同變更條件經(jīng)雙方協(xié)商一致，可以對本合同進(jìn)行變更。13.2合同解除條件合同目的無法實(shí)現(xiàn)；一方嚴(yán)重違約；因不可抗力導(dǎo)致合同無法履行。13.3合同變更與解除程序任何一方提出合同變更或解除，應(yīng)提前30日書面通知對方，并經(jīng)雙方協(xié)商一致后簽訂變更或解除協(xié)議。14.其他14.1合同簽訂日期本合同簽訂日期為2025年4月30日。14.2合同簽訂地點(diǎn)合同簽訂地點(diǎn)為市區(qū)大廈。14.3合同份數(shù)本合同一式兩份，甲乙雙方各執(zhí)一份，具有同等法律效力。第二部分：第三方介入后的修正1.第三方介入的定義1.1第三方是指本合同簽訂后，經(jīng)甲乙雙方同意，介入本合同履行過程中的任何獨(dú)立第三方，包括但不限于技術(shù)顧問、系統(tǒng)集成商、測試機(jī)構(gòu)、仲裁機(jī)構(gòu)等。2.第三方介入的同意2.1任何第三方介入本合同，必須事先取得甲乙雙方的書面同意。2.2第三方介入的同意書應(yīng)包含第三方的名稱、介入目的、介入范圍、責(zé)任權(quán)限等內(nèi)容。3.第三方的責(zé)任權(quán)限3.1第三方在本合同中的責(zé)任權(quán)限僅限于其介入范圍內(nèi)的具體事務(wù)。3.2第三方不得超越其介入范圍，否則其行為對甲乙雙方不產(chǎn)生法律效力。4.第三方的權(quán)利4.1第三方有權(quán)要求甲乙雙方提供必要的信息和協(xié)助，以完成其介入范圍內(nèi)的任務(wù)。4.2第三方有權(quán)根據(jù)其專業(yè)判斷，提出對本合同履行過程的意見和建議。5.第三方的義務(wù)5.1第三方應(yīng)按照合同約定和甲乙雙方的要求，獨(dú)立、公正、客觀地履行其職責(zé)。5.2第三方應(yīng)保護(hù)甲乙雙方的商業(yè)秘密和隱私，不得泄露給任何第三方。6.第三方的責(zé)任限額6.1第三方對本合同履行的責(zé)任限額由甲乙雙方在第三方介入同意書中約定。6.2若第三方責(zé)任限額未在同意書中約定，則第三方對本合同履行的責(zé)任限額為人民幣壹拾萬元整（￥100,000.00）。7.第三方介入的程序7.1第三方介入的程序如下：1.第三方向甲乙雙方提交書面介入申請；2.甲乙雙方在收到申請后5個(gè)工作日內(nèi)，書面同意或拒絕第三方的介入；3.第三方介入后，甲乙雙方應(yīng)按照合同約定和第三方介入同意書的規(guī)定，共同監(jiān)督第三方的履約情況。8.第三方介入的變更與解除8.1第三方介入的變更或解除，必須經(jīng)甲乙雙方和第三方協(xié)商一致，并簽訂變更或解除協(xié)議。8.2第三方介入的變更或解除，不影響本合同其他條款的效力。9.第三方與其他各方的劃分說明9.1第三方與本合同其他各方（甲乙雙方）之間，應(yīng)明確劃分各自的權(quán)利義務(wù)和責(zé)任。9.2第三方與甲乙雙方之間，應(yīng)按照合同約定和第三方介入同意書的規(guī)定，履行相應(yīng)的合同義務(wù)。9.3第三方與甲乙雙方之間，如發(fā)生爭議，應(yīng)按照本合同第10條“爭議解決”的規(guī)定處理。10.第三方介入的法律適用10.1第三方介入的法律適用，應(yīng)遵循中華人民共和國法律。10.2第三方介入過程中產(chǎn)生的法律糾紛，應(yīng)提交有管轄權(quán)的人民法院解決。11.第三方介入的附加條款11.1第三方介入的附加條款包括但不限于：第三方的資質(zhì)證明；第三方的保密承諾；第三方的責(zé)任保險(xiǎn)；第三方的履約保證金。12.第三方介入的生效12.1第三方介入的生效，以甲乙雙方和第三方簽訂的第三方介入同意書生效為準(zhǔn)。12.2第三方介入同意書生效后，第三方即成為本合同的第三方介入方。第三部分：其他補(bǔ)充性說明和解釋說明一：附件列表：1.技術(shù)升級與擴(kuò)展服務(wù)方案詳細(xì)描述技術(shù)升級與擴(kuò)展服務(wù)的具體內(nèi)容、預(yù)期效果、實(shí)施步驟等。包含系統(tǒng)架構(gòu)圖、功能模塊圖、技術(shù)路線圖等。2.費(fèi)用清單列明技術(shù)升級與擴(kuò)展服務(wù)的各項(xiàng)費(fèi)用，包括但不限于人工費(fèi)、材料費(fèi)、設(shè)備費(fèi)等。明確各項(xiàng)費(fèi)用的計(jì)算方法和支付方式。3.第三方介入同意書約定第三方介入的具體事宜，包括第三方的名稱、職責(zé)、權(quán)限、責(zé)任限額等。確保第三方介入的合法性和有效性。4.保密協(xié)議約定甲乙雙方在合同履行過程中的保密義務(wù)，明確保密信息的范圍和保密期限。防止商業(yè)秘密和敏感信息的泄露。5.違約責(zé)任確認(rèn)書明確違約行為的認(rèn)定標(biāo)準(zhǔn)和違約責(zé)任的具體內(nèi)容。確保違約責(zé)任的有效執(zhí)行。6.爭議解決協(xié)議約定爭議解決的方式、機(jī)構(gòu)、程序等。保證爭議解決的公平、公正和效率。說明二：違約行為及責(zé)任認(rèn)定：1.違約行為1.1乙方未按約定時(shí)間完成技術(shù)升級與擴(kuò)展服務(wù)責(zé)任認(rèn)定：乙方應(yīng)向甲方支付違約金，違約金為未履行部分費(fèi)用的20%。示例：若乙方未能在合同約定的30個(gè)工作日內(nèi)完成技術(shù)升級，則應(yīng)支付甲方人民幣貳萬元整（￥20,000.00）的違約金。1.2乙方交付的軟件或服務(wù)不符合合同約定責(zé)任認(rèn)定：乙方應(yīng)無償修復(fù)缺陷，若無法修復(fù)，則應(yīng)退還相應(yīng)費(fèi)用。示例：若乙方交付的軟件存在重大功能缺陷，甲方有權(quán)要求乙方退還已支付的50%費(fèi)用。1.3甲方未按約定支付費(fèi)用責(zé)任認(rèn)定：甲方應(yīng)向乙方支付滯納金，滯納金為未支付部分費(fèi)用的每日0.1%。示例：若甲方未按約定支付費(fèi)用，乙方有權(quán)要求甲方支付每日0.1%的滯納金。1.4一方泄露對方保密信息責(zé)任認(rèn)定：泄露方應(yīng)承擔(dān)相應(yīng)的法律責(zé)任，包括但不限于賠償損失、支付違約金等。示例：若甲方泄露了乙方的商業(yè)秘密，乙方有權(quán)要求甲方支付人民幣壹拾萬元整（￥100,000.00）的賠償金。全文完。2025年發(fā)票開具系統(tǒng)技術(shù)升級與擴(kuò)展服務(wù)合同1合同目錄第一章合同概述1.1合同簽訂雙方1.2合同簽訂日期1.3合同生效日期1.4合同期限1.5合同目的1.6合同背景1.7合同履行地點(diǎn)第二章服務(wù)內(nèi)容2.1系統(tǒng)升級2.1.1系統(tǒng)版本升級2.1.2功能模塊升級2.1.3系統(tǒng)性能優(yōu)化2.2技術(shù)支持2.2.1技術(shù)咨詢服務(wù)2.2.2故障排除服務(wù)2.2.3系統(tǒng)維護(hù)服務(wù)2.3培訓(xùn)服務(wù)2.3.1操作培訓(xùn)2.3.2管理培訓(xùn)2.3.3高級培訓(xùn)第三章服務(wù)要求3.1系統(tǒng)要求3.1.1硬件環(huán)境要求3.1.2軟件環(huán)境要求3.1.3網(wǎng)絡(luò)環(huán)境要求3.2技術(shù)指標(biāo)3.2.1系統(tǒng)響應(yīng)時(shí)間3.2.2系統(tǒng)并發(fā)用戶數(shù)3.2.3系統(tǒng)穩(wěn)定性3.3服務(wù)質(zhì)量3.3.1服務(wù)響應(yīng)時(shí)間3.3.2服務(wù)成功率3.3.3服務(wù)滿意度第四章服務(wù)交付4.1服務(wù)交付時(shí)間4.2服務(wù)交付方式4.3服務(wù)交付內(nèi)容4.4服務(wù)驗(yàn)收標(biāo)準(zhǔn)第五章費(fèi)用及支付5.1服務(wù)費(fèi)用5.1.1系統(tǒng)升級費(fèi)用5.1.2技術(shù)支持費(fèi)用5.1.3培訓(xùn)費(fèi)用5.2支付方式5.2.1預(yù)付款5.2.2分階段付款5.2.3里程碑付款5.3付款時(shí)間第六章違約責(zé)任6.1違約情形6.2違約責(zé)任6.3違約賠償?shù)谄哒卤Ｃ軛l款7.1保密內(nèi)容7.2保密期限7.3保密義務(wù)第八章法律適用與爭議解決8.1法律適用8.2爭議解決方式8.3爭議解決機(jī)構(gòu)第九章合同解除與終止9.1合同解除條件9.2合同終止條件9.3合同解除或終止的程序第十章合同附件10.1合同附件一：服務(wù)內(nèi)容詳細(xì)說明10.2合同附件二：服務(wù)費(fèi)用明細(xì)10.3合同附件三：保密協(xié)議第十一章其他條款11.1合同生效條件11.2合同變更11.3合同解除11.4合同終止11.5合同續(xù)簽11.6合同解除或終止后的處理第十二章合同解除與終止后的處理12.1費(fèi)用結(jié)算12.2知識產(chǎn)權(quán)歸屬12.3違約責(zé)任12.4爭議解決第十三章合同附件13.1合同附件一：服務(wù)內(nèi)容詳細(xì)說明13.2合同附件二：服務(wù)費(fèi)用明細(xì)13.3合同附件三：保密協(xié)議第十四章合同簽署14.1簽署主體14.2簽署日期14.3簽署地點(diǎn)合同編號_________第一章合同概述1.1合同簽訂雙方名稱：____________________地址：____________________聯(lián)系人：____________________聯(lián)系電話：____________________名稱：____________________地址：____________________聯(lián)系人：____________________聯(lián)系電話：____________________1.2合同簽訂日期____________________1.3合同生效日期____________________1.4合同期限自合同生效之日起至____________________止。1.5合同目的本合同旨在明確甲乙雙方就2025年發(fā)票開具系統(tǒng)技術(shù)升級與擴(kuò)展服務(wù)的權(quán)利、義務(wù)和責(zé)任。1.6合同背景甲方擁有發(fā)票開具系統(tǒng)，為滿足業(yè)務(wù)發(fā)展需求，現(xiàn)需對系統(tǒng)進(jìn)行技術(shù)升級與擴(kuò)展。1.7合同履行地點(diǎn)____________________第二章服務(wù)內(nèi)容2.1系統(tǒng)升級2.1.1系統(tǒng)版本升級：乙方需將甲方現(xiàn)有系統(tǒng)升級至最新版本。2.1.2功能模塊升級：乙方需根據(jù)甲方需求，增加或優(yōu)化現(xiàn)有功能模塊。2.1.3系統(tǒng)性能優(yōu)化：乙方需對系統(tǒng)進(jìn)行性能優(yōu)化，提高系統(tǒng)運(yùn)行效率。2.2技術(shù)支持2.2.1技術(shù)咨詢服務(wù)：乙方需提供系統(tǒng)相關(guān)技術(shù)咨詢服務(wù)。2.2.2故障排除服務(wù)：乙方需在接到故障報(bào)告后，及時(shí)響應(yīng)并排除故障。2.2.3系統(tǒng)維護(hù)服務(wù)：乙方需定期對系統(tǒng)進(jìn)行維護(hù)，確保系統(tǒng)穩(wěn)定運(yùn)行。2.3培訓(xùn)服務(wù)2.3.1操作培訓(xùn)：乙方需對甲方操作人員進(jìn)行系統(tǒng)操作培訓(xùn)。2.3.2管理培訓(xùn)：乙方需對甲方管理人員進(jìn)行系統(tǒng)管理培訓(xùn)。2.3.3高級培訓(xùn)：乙方需對甲方高級用戶進(jìn)行系統(tǒng)高級功能培訓(xùn)。第三章服務(wù)要求3.1系統(tǒng)要求3.1.1硬件環(huán)境要求：____________________3.1.2軟件環(huán)境要求：____________________3.1.3網(wǎng)絡(luò)環(huán)境要求：____________________3.2技術(shù)指標(biāo)3.2.1系統(tǒng)響應(yīng)時(shí)間：____________________3.2.2系統(tǒng)并發(fā)用戶數(shù)：____________________3.2.3系統(tǒng)穩(wěn)定性：____________________3.3服務(wù)質(zhì)量3.3.1服務(wù)響應(yīng)時(shí)間：____________________3.3.2服務(wù)成功率：____________________3.3.3服務(wù)滿意度：____________________第四章服務(wù)交付4.1服務(wù)交付時(shí)間____________________4.2服務(wù)交付方式____________________4.3服務(wù)交付內(nèi)容____________________4.4服務(wù)驗(yàn)收標(biāo)準(zhǔn)____________________第五章費(fèi)用及支付5.1服務(wù)費(fèi)用5.1.1系統(tǒng)升級費(fèi)用：____________________5.1.2技術(shù)支持費(fèi)用：____________________5.1.3培訓(xùn)費(fèi)用：____________________5.2支付方式5.2.1預(yù)付款：____________________5.2.2分階段付款：____________________5.2.3里程碑付款：____________________5.3付款時(shí)間____________________第六章違約責(zé)任6.1違約情形____________________6.2違約責(zé)任____________________6.3違約賠償____________________第七章保密條款7.1保密內(nèi)容____________________7.2保密期限____________________7.3保密義務(wù)____________________第八章法律適用與爭議解決8.1法律適用本合同適用中華人民共和國法律。8.2爭議解決方式雙方在履行本合同過程中發(fā)生的爭議，應(yīng)通過友好協(xié)商解決；協(xié)商不成的，任何一方均有權(quán)將爭議提交至____________________仲裁委員會仲裁。8.3爭議解決機(jī)構(gòu)____________________仲裁委員會第九章合同解除與終止9.1合同解除條件____________________9.2合同終止條件____________________9.3合同解除或終止的程序____________________第十章合同附件10.1合同附件一：服務(wù)內(nèi)容詳細(xì)說明____________________10.2合同附件二：服務(wù)費(fèi)用明細(xì)____________________10.3合同附件三：保密協(xié)議____________________第十一章其他條款11.1合同生效條件____________________11.2合同變更____________________11.3合同解除____________________11.4合同終止____________________11.5合同續(xù)簽____________________11.6合同解除或終止后的處理____________________第十二章合同解除與終止后的處理12.1費(fèi)用結(jié)算____________________12.2知識產(chǎn)權(quán)歸屬____________________12.3違約責(zé)任____________________12.4爭議解決____________________第十三章合同附件13.1合同附件一：服務(wù)內(nèi)容詳細(xì)說明____________________13.2合同附件二：服務(wù)費(fèi)用明細(xì)____________________13.3合同附件三：保密協(xié)議____________________第十四章合同簽署14.1簽署主體本合同由甲乙雙方授權(quán)代表簽署。14.2簽署日期____________________14.3簽署地點(diǎn)____________________甲方（蓋章）：授權(quán)代表（簽字）：乙方（蓋章）：授權(quán)代表（簽字）：_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________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