{"component": "clause", "props": {"groups": [{"snippet": "Boeing may, at its own expense and without Buyer's consent, incorporate Development Changes in the Detail Specification and the Aircraft prior to delivery to Buyer. Development Changes are defined as changes to the basic specification for Model 737 aircraft that do not affect the Aircraft Purchase Price or adversely affect Aircraft delivery, guaranteed weight, guaranteed performance or compliance with the interchangeability or replaceability requirements set forth in the Detail Specification. 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In any other case the Seller shall issue to the Buyer a Manufacturer Specification Change Notice. Development changes are changes deemed necessary by the Seller to improve the Aircraft, prevent delay or ensure compliance with this Agreement.", "size": 15, "samples": [{"hash": "926lNlIiy4J", "uri": "/contracts/926lNlIiy4J#development-changes", "label": "A319/A320 Purchase Agreement (China Southern Airlines Co LTD)", "score": 21.0, "published": true}, {"hash": "5mZnn9eMdGO", "uri": "/contracts/5mZnn9eMdGO#development-changes", "label": "A319/A320 Purchase Agreement (China Southern Airlines Co LTD)", "score": 21.0, "published": true}, {"hash": "57wzWyrifMK", "uri": "/contracts/57wzWyrifMK#development-changes", "label": "Purchase Agreement (China Eastern Airlines Corp LTD)", "score": 18.0, "published": true}], "snippet_links": [{"key": "the-specification", "type": "definition", "offset": [0, 17]}, {"key": "by-the-seller", "type": "clause", "offset": [38, 51]}, {"key": "in-order-to", "type": "clause", "offset": [80, 91]}, {"key": "adversely-affect", "type": "definition", "offset": [147, 163]}, {"key": "time-of-delivery", "type": "clause", "offset": [171, 187]}, {"key": "the-aircraft", "type": "clause", "offset": [214, 226]}, {"key": "other-case", "type": "clause", "offset": [310, 320]}, {"key": "the-seller-shall", "type": "clause", "offset": [321, 337]}, {"key": "to-the-buyer", "type": "clause", "offset": [344, 356]}, {"key": "manufacturer-specification-change-notice", "type": "definition", "offset": [359, 399]}, {"key": "deemed-necessary", "type": "definition", "offset": [433, 449]}, {"key": "compliance-with-this-agreement", "type": "clause", "offset": [513, 543]}], "hash": "19906568046e06f2f1bd024914eac7bc", "id": 2}, {"snippet": "DEVELOPMENT CHANGES are defined as changes to aircraft that do not affect the Aircraft Price or scheduled delivery month, and do not adversely affect guaranteed weight, guaranteed performance, or compliance with the interchangeability or replaceability requirements set forth in the applicable Detail Specification. Boeing may, at its option, incorporate Development Changes into the Detail Specification and into an aircraft prior to delivery to Customer.", "size": 13, "samples": [{"hash": "hGg6wdEGPK2", "uri": "/contracts/hGg6wdEGPK2#development-changes", "label": "Aircraft General Terms Agreement (Copa Holdings, S.A.)", "score": 32.3073234558, "published": true}, {"hash": "1ChLevn3ABc", "uri": "/contracts/1ChLevn3ABc#development-changes", "label": "Aircraft General Terms Agreement (Copa Holdings, S.A.)", "score": 18.0, "published": true}], "snippet_links": [{"key": "changes-to", "type": "clause", "offset": [35, 45]}, {"key": "aircraft-price", "type": "clause", "offset": [78, 92]}, {"key": "scheduled-delivery-month", "type": "definition", "offset": [96, 120]}, {"key": "adversely-affect", "type": "definition", "offset": [133, 149]}, {"key": "guaranteed-performance", "type": "clause", "offset": [169, 191]}, {"key": "compliance-with-the", "type": "clause", "offset": [196, 215]}, {"key": "the-applicable", "type": "clause", "offset": [279, 293]}, {"key": "detail-specification", "type": "definition", "offset": [294, 314]}, {"key": "delivery-to-customer", "type": "clause", "offset": [435, 455]}], "hash": "66a58eefe4235b869aaaa3b52c8368f7", "id": 3}, {"snippet": "Development Changes are defined as changes to aircraft that do not affect the Aircraft Price or scheduled delivery month, and do not adversely affect guaranteed weight, guaranteed performance, or compliance with the interchangeability or replaceability requirements set forth in the applicable Detail Specification or the functionality of the aircraft systems as described in the applicable Detail Specification. Boeing may incorporate Development Changes into the Detail Specification and into an aircraft prior to delivery to Customer. Boeing will provide advance notice of any Developmental Changes planned for incorporation in Customer\u2019s model 777 Aircraft. Boeing will discuss any concerns Customer may have regarding such Developmental Changes and reasonably consider any requests made by Customer with respect to the incorporation of Developmental Changes.", "size": 5, "samples": [{"hash": "gg6ckyl1BNA", "uri": "/contracts/gg6ckyl1BNA#development-changes", "label": "Purchase Agreement (Fedex Corp)", "score": 33.5420951843, "published": true}, {"hash": "cC7h4dMsCs8", "uri": "/contracts/cC7h4dMsCs8#development-changes", "label": "Purchase Agreement (Fedex Corp)", "score": 33.5420951843, "published": true}, {"hash": "fWdHR9Q7ZjS", "uri": "/contracts/fWdHR9Q7ZjS#development-changes", "label": "Purchase Agreement (Fedex Corp)", "score": 23.2231349945, "published": true}], "snippet_links": [{"key": "changes-to", "type": "clause", "offset": [35, 45]}, {"key": "aircraft-price", "type": "clause", "offset": [78, 92]}, {"key": "scheduled-delivery-month", "type": "definition", "offset": [96, 120]}, {"key": "adversely-affect", "type": "definition", "offset": [133, 149]}, {"key": "guaranteed-performance", "type": "clause", "offset": [169, 191]}, {"key": "compliance-with-the", "type": "clause", "offset": [196, 215]}, {"key": "the-applicable", "type": "clause", "offset": [279, 293]}, {"key": "detail-specification", "type": "definition", "offset": [294, 314]}, {"key": "delivery-to-customer", "type": "clause", "offset": [516, 536]}, {"key": "will-provide", "type": "clause", "offset": [545, 557]}, {"key": "notice-of-any", "type": "clause", "offset": [566, 579]}, {"key": "customer-may", "type": "clause", "offset": [695, 707]}, {"key": "by-customer", "type": "clause", "offset": [792, 803]}, {"key": "with-respect-to", "type": "clause", "offset": [804, 819]}, {"key": "incorporation-of", "type": "definition", "offset": [824, 840]}], "hash": "de434013365af50509c2ec747b1978bf", "id": 5}, {"snippet": "Development changes (\u201cDevelopment Changes\u201d) are changes deemed necessary by the Seller to improve the Aircraft, prevent delay or ensure compliance with this Agreement. The Specification may be revised by the Seller without the Buyer\u2019s consent in order to incorporate Development Changes if such changes do not adversely affect price, time of Delivery of the Aircraft, weight or performance of the Aircraft, maintainability, operation, balance or interchangeability or replaceability of parts under the Specification. In any other case the Seller shall issue to the Buyer a Manufacturer Specification Change Notice (MSCN). [*]", "size": 5, "samples": [{"hash": "f8zrwFmZiuE", "uri": "/contracts/f8zrwFmZiuE#development-changes", "label": "Purchase Agreement (Avianca Holdings S.A.)", "score": 23.8275146484, "published": true}, {"hash": "iBquGQruBQc", "uri": "/contracts/iBquGQruBQc#development-changes", "label": "Purchase Agreement (Avianca Holdings S.A.)", "score": 23.7262153625, "published": true}, {"hash": "1sOkVHmWySZ", "uri": "/contracts/1sOkVHmWySZ#development-changes", "label": "Purchase Agreement (Avianca Holdings S.A.)", "score": 23.5756340027, "published": true}], "snippet_links": [{"key": "deemed-necessary", "type": "definition", "offset": [56, 72]}, {"key": "by-the-seller", "type": "clause", "offset": [73, 86]}, {"key": "compliance-with-this-agreement", "type": "clause", "offset": [136, 166]}, {"key": "the-specification", "type": "definition", "offset": [168, 185]}, {"key": "in-order-to", "type": "clause", "offset": [243, 254]}, {"key": "adversely-affect", "type": "definition", "offset": [310, 326]}, {"key": "delivery-of-the-aircraft", "type": "clause", "offset": [342, 366]}, {"key": "other-case", "type": "clause", "offset": [524, 534]}, {"key": "the-seller-shall", "type": "clause", "offset": [535, 551]}, {"key": "to-the-buyer", "type": "clause", "offset": [558, 570]}, {"key": "manufacturer-specification-change-notice", "type": "definition", "offset": [573, 613]}], "hash": "bdfbe1522bb79ff6be757bf54e464726", "id": 6}, {"snippet": "the Specifications may also be revised by the Seller without an SCN or the Buyer's consent solely to incorporate Manufacturer-decided changes that are deemed necessary or useful to correct defects, improve the Aircraft or its process of manufacture, prevent delay, or ensure compliance with this Agreement and that do not increase the price or adversely affect the delivery, overall dimensions, weight, operational or maintenance requirements or performance of the Aircraft or adversely (i) change the interchangeability or replaceability requirements of the Specifications with respect to parts or (ii) *** (hereinafter called \"Development Changes\").***", "size": 5, "samples": [{"hash": "5n8RwtgRbV8", "uri": "/contracts/5n8RwtgRbV8#development-changes", "label": "Purchase Agreement (Us Airways Inc)", "score": 18.0, "published": true}, {"hash": "3ggEokELlqJ", "uri": "/contracts/3ggEokELlqJ#development-changes", "label": "Purchase Agreement (Us Airways Inc)", "score": 18.0, "published": true}], "snippet_links": [{"key": "the-specifications", "type": "definition", "offset": [0, 18]}, {"key": "by-the-seller", "type": "clause", "offset": [39, 52]}, {"key": "the-buyer", "type": "clause", "offset": [71, 80]}, {"key": "deemed-necessary", "type": "definition", "offset": [151, 167]}, {"key": "the-aircraft", "type": "clause", "offset": [206, 218]}, {"key": "compliance-with-this-agreement", "type": "clause", "offset": [275, 305]}, {"key": "the-price", "type": "clause", "offset": [331, 340]}, {"key": "adversely-affect", "type": "definition", "offset": [344, 360]}, {"key": "the-delivery", "type": "clause", "offset": [361, 373]}, {"key": "overall-dimensions", "type": "definition", "offset": [375, 393]}, {"key": "maintenance-requirements", "type": "definition", "offset": [418, 442]}, {"key": "requirements-of-the", "type": "clause", "offset": [539, 558]}, {"key": "with-respect-to", "type": "clause", "offset": [574, 589]}], "hash": "a8deea1f855eafe0317ff8e524b98258", "id": 7}, {"snippet": "The Specification may also be amended to incorporate changes deemed necessary by the Seller to improve the Aircraft, prevent delay or ensure compliance with this Agreement (\u201cDevelopment Changes\u201d), as set forth in this Clause 2. \u201c[***]\u201d This information is subject to confidential treatment and has been omitted and filed separately with the commission.\n2.2.2.1 Manufacturer Specification Changes Notices The Specification may be amended by the Seller through a Manufacturer Specification Change Notice (\u201cMSCN\u201d), which shall be substantially in the form set out in Exhibit B2 hereto and shall set out the MSCN\u2019s Aircraft embodiment rank as well as, in detail, the particular change to be made to the Specification and the effect, if any, of such change on performance, weight, Aircraft Basic Price, Delivery Date of the Aircraft affected thereby and interchangeability or replaceability requirements under the Specification. Except when the MSCN is necessitated by an Aviation Authority directive or by equipment obsolescence, in which case the MSCN shall be accomplished without requiring the Buyer\u2019s consent, if the MSCN adversely affects the performance, weight, Aircraft Basic Price, Delivery Date of the Aircraft affected thereby or the interchangeability or replaceability requirements under the Specification, the Seller shall notify the Buyer of a reasonable period of time during which the Buyer must accept or reject such MSCN. If the Buyer does not notify the Seller of the rejection of the MSCN within such period, the MSCN shall be deemed accepted by the Buyer and the corresponding modification shall be accomplished.\n2.2.2.2 In the event of the Seller revising the Specification to incorporate Development Changes, which have no adverse effect on any of the elements as set forth in 2.2.2.1 above, such revision shall be performed by the Seller without the Buyer\u2019s consent. 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AVSA will notify Northwest of all Development Changes prior to incorporation therein.", "size": 3, "samples": [{"hash": "gZlPxEtb7c6", "uri": "/contracts/gZlPxEtb7c6#development-changes", "label": "Purchase Agreement (Northwest Airlines Corp)", "score": 18.0, "published": true}, {"hash": "aUY0XEr8FMR", "uri": "/contracts/aUY0XEr8FMR#development-changes", "label": "Purchase Agreement (Northwest Airlines Corp)", "score": 18.0, "published": true}], "snippet_links": [{"key": "the-specification", "type": "definition", "offset": [0, 17]}, {"key": "consent-to", "type": "definition", "offset": [76, 86]}, {"key": "deemed-necessary", "type": "definition", "offset": [137, 153]}, {"key": "the-aircraft", "type": "clause", "offset": [192, 204]}, {"key": "compliance-with-this-agreement", "type": "clause", "offset": [261, 291]}, {"key": "the-price", "type": "clause", "offset": [317, 326]}, {"key": "adversely-affect", "type": "definition", "offset": [330, 346]}, {"key": "the-delivery", "type": "clause", "offset": [347, 359]}, {"key": "overall-dimensions", "type": "definition", "offset": [361, 379]}, {"key": "maintenance-requirements", "type": "definition", "offset": [400, 424]}, {"key": "requirements-of-the", "type": "clause", "offset": [517, 536]}, {"key": "prior-to", "type": "clause", "offset": [649, 657]}], "hash": "eca0015f777a61d6d1f6a5729c3a15d9", "id": 10}], "next_curs": "ClwSVmoVc35sYXdpbnNpZGVyY29udHJhY3RzcjgLEhZDbGF1c2VTbmlwcGV0R3JvdXBfdjU2IhxkZXZlbG9wbWVudC1jaGFuZ2VzIzAwMDAwMDBhDKIBAmVuGAAgAA==", "clause": {"size": 133, "title": "Development Changes", "children": [["manufacturer-specification-changes-notices", "Manufacturer Specification Changes Notices"], ["manufacturer-specification-change-notices", "Manufacturer Specification Change Notices"], ["manufacturer-specification-change-notice", "Manufacturer Specification Change Notice"], ["", ""], ["standard-warranty", "Standard Warranty"]], "parents": [["specification-amendment", "Specification Amendment"], ["sale-and-purchase", "SALE AND PURCHASE"], ["specification", "Specification"], ["detail-specification-changes", "Detail Specification Changes"], ["airframe-specification", "Airframe Specification"]], "id": "development-changes", "related": [["project-changes", "Project Changes", "Project Changes"], ["program-changes", "Program Changes", "Program Changes"], ["product-changes", "Product Changes", "Product Changes"], ["development-plan", "Development Plan", "Development Plan"], ["agreement-changes", "Agreement Changes", "Agreement Changes"]], "related_snippets": [], "updated": "2026-04-10T04:42:41+00:00", "also_ask": ["What negotiation levers exist to limit or expand permissible development changes?", "Which essential elements must be included to clearly define 'development changes'?", "What are the most common risks or loopholes that undermine this clause?", "How does this clause compare to industry standards or similar provisions in other jurisdictions?", "What factors do courts consider when determining the enforceability of development change provisions?"], "drafting_tip": "Specify permissible changes, require prior written consent, and outline notification procedures to prevent disputes and ensure all parties remain informed.", "explanation": "The Development Changes clause defines the procedures and conditions under which modifications to the scope, design, or specifications of a development project may be made after the initial agreement. Typically, this clause outlines how either party can propose changes, the process for reviewing and approving such changes, and any adjustments to timelines, costs, or deliverables that may result. Its core practical function is to provide a structured mechanism for managing and documenting changes during a project, thereby reducing disputes and ensuring that both parties have a clear understanding of their obligations as the project evolves."}, "json": true, "cursor": ""}}