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It sets guidance and standards for preparing internal and external correspondence in both paper and electronic formats, covering writing organization, tone, language usage, and formats for letters, memorandums, and multiple communication services. The requirements include quality control roles, timelines, signature packages, and rules for classified and foreign correspondence, with revalidation noted on June 21, 2021.",{"@graph":14,"@context":65},[15,34,56],{"@type":16,"itemListElement":17},"BreadcrumbList",[18,23,27,31],{"item":19,"name":20,"@type":21,"position":22},"https://docshare.wps.com","Home","ListItem",1,{"item":24,"name":25,"@type":21,"position":26},"https://docshare.wps.com/template/","Template",2,{"item":28,"name":29,"@type":21,"position":30},"https://docshare.wps.com/template/letters/","Letters",3,{"item":32,"name":10,"@type":21,"position":33},"https://docshare.wps.com/template/nasa-correspondence-management-and-communications-standards-and-style-npr-145010d-effective-date-march-24-2006/277293/",4,{"url":32,"name":10,"@type":35,"image":36,"author":41,"headline":10,"publisher":44,"fileFormat":47,"inLanguage":8,"description":12,"dateModified":48,"datePublished":49,"encodingFormat":47,"isAccessibleForFree":50,"interactionStatistic":51},"DigitalDocument",{"url":37,"@type":38,"width":39,"height":40},"https://docshare.wps.com/thumbnails/nasa-correspondence-management-and-communications-standards-and-style-npr-145010d-effective-date-march-24-2006/277293.png","ImageObject",442,249,{"name":42,"@type":43},"8796093062539","Person",{"url":19,"name":45,"@type":46},"DocShare","Organization","application/pdf","2026-10-18","2026-09-15",true,{"@type":52,"interactionType":53,"userInteractionCount":55},"InteractionCounter",{"@type":54},"ViewAction",5,{"@type":57,"mainEntity":58},"FAQPage",[59],{"name":60,"@type":61,"acceptedAnswer":62},"How does NPR 1450.10D address sensitive or special correspondence?","Question",{"text":63,"@type":64},"It includes chapters and appendices addressing classified correspondence, security classification reminders and transmission, and provides guidance and supporting materials for privacy act and foreign correspondence.","Answer","https://schema.org",{"og:url":32,"og:type":67,"og:title":10,"og:site_name":45,"og:description":12},"article",{"robots":69,"canonical":32},"index,follow",{"doc_id":71,"site_id":7},277293,1791152483,{"code":4,"msg":74,"data":75},"success",[76,81,86,91,96,101,106,110,114],{"id":77,"doc_module":22,"doc_module_name":25,"category_name":78,"show_sort_weight":79,"slug":80},11,"Presentations",90,"presentations",{"id":82,"doc_module":22,"doc_module_name":25,"category_name":83,"show_sort_weight":84,"slug":85},12,"Resumes",80,"resumes",{"id":87,"doc_module":22,"doc_module_name":25,"category_name":88,"show_sort_weight":89,"slug":90},14,"Invoices",70,"invoices",{"id":92,"doc_module":22,"doc_module_name":25,"category_name":93,"show_sort_weight":94,"slug":95},15,"Posters",60,"posters",{"id":97,"doc_module":22,"doc_module_name":25,"category_name":98,"show_sort_weight":99,"slug":100},16,"Social Media",50,"social-media",{"id":102,"doc_module":22,"doc_module_name":25,"category_name":103,"show_sort_weight":104,"slug":105},17,"Forms",40,"forms",{"id":107,"doc_module":22,"doc_module_name":25,"category_name":29,"show_sort_weight":108,"slug":109},18,30,"letters",{"id":111,"doc_module":22,"doc_module_name":25,"category_name":112,"show_sort_weight":55,"slug":113},21,"Paper Templates","papers-templates",{"id":115,"doc_module":22,"doc_module_name":25,"category_name":116,"show_sort_weight":4,"slug":117},158,"General","general-158",{"code":4,"msg":74,"data":119},{"doc_id":71,"user_id":120,"nickname":42,"user_avatar":11,"doc_module":22,"category_id":107,"category_name":29,"doc_title":10,"doc_description":12,"doc_content":121,"file_id":122,"file_url":123,"file_type":124,"file_size":125,"view_count":55,"is_deleted":4,"is_public":22,"is_downloadable":22,"audit_status":22,"page_count":126,"language":127,"language_code":8,"site_id":7,"html_lang":8,"table_of_contents":128,"faqs":129,"seo_title":130,"seo_description":12,"update_tm":131,"read_time":132},8796093062539,"| NODIS Library | Organization and Administration(1000s) |  Search |  \nNASA Procedural Requirements  \nNPR 1450.10D  \nEffective Date: March 24, 2006  \nExpiration Date: March 24, 2026  \nCOMPLIANCE IS MANDATORY FOR NASA EMPLOYEES  \nNASA Correspondence Management and Communications Standards and Style Revalidated (6/21/2021)  \nResponsible Office: Office of the Chief of Staff  \nTable of Contents  \nChange History  \nPreface  \nP.1 Purpose P.2 Applicability P.3 Authority  \nP.4 Applicable Documents and Forms P.5 Measurement/Verification  \nP.6 Cancellation  \nChapter 1. Managing and Controlling Mail and  \nCommunications  \n1.1 Communications Addressed to the Principals ofthe Office of the Administrator  \n1.2 Quality Control Liaison (QCL) and Correspondence Control Liaison (CCL) Designations for NASA Headquarters  \n1.3 Action Office Mailboxes  \n1.4 High-Profile Responses (Administration Offices)  \n1.5 Due Dates  \n1.6 Extensions of Due Dates  \n1.7 Office of the Administrator Signature Packages  \n1.8 Concurrences for Office of the Administrator Signature Packages  \n1.9 Correspondence to Officials-in-Charge of Headquarters Offices and/or Center Directors  \nNPR 1450. 10D--TOC  \nThis document does not bind the public, except as authorized by law or as incorporated into a contract. This document is uncontrolled when printed. Check the NASA Online Directives Information System (NODIS) Library to verify that this is the correct version before use:  [https://nodis3.gsfc.nasa.gov](https://nodis3.gsfc.nasa.gov).  \nPage  1  of 136   \nChapter 2. NASA Writing Standards  \n2.1 Organized Writing  \n2.2 Spoken Style  \n2.3 Compact Writing  \n2.4 Tone  \n2.5 Write Positively  \n2.6 Write Short, Disciplined Sentences  \n2.7 Use Short Paragraphs  \n2.8 Use Personal Pronouns  \n2.9 Use Active Voice  \n2.10 Use Action Verbs  \n2.11 Use Plain Language Words  \n2.12 Acronyms  \n2.13 Computer/Internet Words: Usage and Style  \nChapter 3. Letters (Formats)  \n3.1 Standard Business Letter  \n3.2 Concurrences  \n3.3 Assembly for Signature for Standard Business Letter  \n3.4 Nonpersonalized Business Letter  \n3.5 Legal Letter  \n3.6 Multiple-Addressee Letters  \n3.7 Assembly for Signature for Multiple-Addressee Letters  \n3.8 Condolence Letters  \n3.9 Envelopes and Mailing  \nChapter 4. Memorandums (Memos) (Formats)  \n4.1 Standard Memo  \n4.2 Concurrences  \n4.3 Assembly for Signature for Memos  \n4.4 Multiple-Addressee Memos  \n4.5 Memorandum for the Record  \n4.6 Envelopes and Mailing  \nChapter 5. Information Communications  \n5.1 General  \nNPR 1450. 10D--TOC  \nThis document does not bind the public, except as authorized by law or as incorporated into a contract. This document is uncontrolled when printed. Check the NASA Online Directives Information System (NODIS) Library to verify that this is the correct version before use:  [https://nodis3.gsfc.nasa.gov](https://nodis3.gsfc.nasa.gov).  \nPage  2  of 136   \nChapter 6. Electronic Communications  \n6.1 General  \n6.2 Electronic Mail Communications  \n6.3 Facsimile (Fax)  \n6.4 Other Types of Communications Services  \nChapter 7. Envelopes and Mailing  \n7.1 General  \n7.2 Envelopes  \n7.3 Address Information and Placement  \nChapter 8. Classified Correspondence  \n8.1 General  \n8.2 Security Classification Reminders  \n8.3 Format and Marking Originally Classified Documents  \n8.4 Transmission of Classified Correspondence  \nAppendix A. Administrator's Correspondence Preparation and Control  \nAppendix B. Acronyms  \nAppendix C. White House and Congressional Correspondence Appendix D. Privacy Act Correspondence  \nAppendix E. Foreign Correspondence Appendix F. Forms of Addresses Appendix G. Compound Words  \nAppendix H. Capitalization of Frequently Used Words at NASA Appendix I. NASA Stationary Specification Standards Appendix J. References  \nNPR 1450. 10D--TOC  \nThis document does not bind the public, except as authorized by law or as incorporated into a contract. This document is uncontrolled when printed. Check the NASA Online Directives Information System (NODI","cbCaihSkh4cYJs9d","https://ap.wps.com/l/cbCaihSkh4cYJs9d","pdf",4913970,136,"English","# Change History\n# Preface\n## Purpose\n## Applicability\n## Authority\n## Applicable Documents and Forms\n## Measurement/Verification\n## Cancellation\n# Chapter 1. Managing and Controlling Mail and Communications\n## Communications to the Principals of the Office of the Administrator\n## Quality Control Liaison (QCL) and Correspondence Control Liaison (CCL) Designations\n## Action Office Mailboxes\n## High-Profile Responses\n## Due Dates\n## Extensions of Due Dates\n## Signature Packages and Concurrences\n## Correspondence to Officials-in-Charge and/or Center Directors\n# Chapter 2. NASA Writing Standards\n## Organized Writing\n## Spoken Style\n## Compact Writing\n## Tone\n## Write Positively\n## Write Short, Disciplined Sentences\n## Use Short Paragraphs\n## Use Personal Pronouns\n## Use Active Voice\n## Use Action Verbs\n## Use Plain Language Words\n## Acronyms\n## Computer/Internet Words: Usage and Style\n# Chapter 3. Letters (Formats)\n## Standard Business Letter\n## Concurrences\n## Assembly for Signature\n## Nonpersonalized Business Letter\n## Legal Letter\n## Multiple-Addressee Letters\n## Assembly for Signature for Multiple-Addressee Letters\n## Condolence Letters\n## Envelopes and Mailing\n# Chapter 4. Memorandums (Memos) (Formats)\n## Standard Memo\n## Concurrences\n## Assembly for Signature for Memos\n## Multiple-Addressee Memos\n## Memorandum for the Record\n## Envelopes and Mailing\n# Chapter 5. Information Communications\n## General\n# Chapter 6. Electronic Communications\n## General\n## Electronic Mail Communications\n## Facsimile (Fax)\n## Other Types of Communications Services\n# Chapter 7. Envelopes and Mailing\n## General\n## Envelopes\n## Address Information and Placement\n# Chapter 8. Classified Correspondence\n## General\n## Security Classification Reminders\n## Format and Marking for Originally Classified Documents\n## Transmission of Classified Correspondence\n# Appendix A. Administrator's Correspondence Preparation and Control\n# Appendix B. Acronyms\n# Appendix C. White House and Congressional Correspondence\n# Appendix D. Privacy Act Correspondence\n# Appendix E. Foreign Correspondence\n# Appendix F. Forms of Addresses\n# Appendix G. Compound Words\n# Appendix H. Capitalization of Frequently Used Words at NASA\n# Appendix I. NASA Stationary Specification Standards\n# Appendix J. References","[{\"question\":\"How does NPR 1450.10D address sensitive or special correspondence?\",\"answer\":\"It includes chapters and appendices addressing classified correspondence, security classification reminders and transmission, and provides guidance and supporting materials for privacy act and foreign correspondence.\"}]","NASA Correspondence Management and Communications Standards and Style - NPR 1450.10D - Effective Date March 24, 2006 | PDF",1789499413,48]