--- title: NCTS 6 SE description: NCTS 6 SE --- [Skip to content](https://hub.emmasys.com/help-center/ncts-6-se#main-content) English Show submenu for translations [Ask our support](https://hub.emmasys.com/help-center/kb-tickets/new?hsLang=en) ![emma logo santa hat (4)](https://hub.emmasys.com/hs-fs/hubfs/emma%20logo%20santa%20hat%20(4).png?width=300&height=100&name=emma%20logo%20santa%20hat%20(4).png) - [Help Center](https://hub.emmasys.com/help-center) - [Customer Portal](https://hub.emmasys.com/customer-portal) - [Website](https://emmasys.com/) - [Status Page](https://hub.emmasys.com/help-center/system-status) Open main navigation Close main navigation - [Help Center](https://hub.emmasys.com/help-center) - [Customer Portal](https://hub.emmasys.com/customer-portal) - [Website](https://emmasys.com/) - [Status Page](https://hub.emmasys.com/help-center/system-status) - English Show submenu for translations - [Ask our support](https://hub.emmasys.com/help-center/kb-tickets/new) - Contact us Contact us How can we help you? - There are no suggestions because the search field is empty. 1. [Help Center](https://hub.emmasys.com/help-center?hsLang=en) 2. [Emma CMS Sweden](https://hub.emmasys.com/help-center/emma-cms-sweden?hsLang=en) 3. [NCTS SE](https://hub.emmasys.com/help-center/emma-cms-sweden?hsLang=en#ncts-se) February 16, 2026 # NCTS 6 SE ## Information regarding NCTS Phase 6 NCTS Phase 6 Production Launch – 27 February 2026 NCTS v6 is available in Emma CMS from version 10.376 We would like to inform you that Sweden will go into production with NCTS Phase 6 on **27 February 2026**. Transit declarations will continue to be processed in NCTS Phase 5 until the transition takes place at the end of February 2026. After the transition, transit declarations can only be handled in NCTS Phase 6. #### Planned System Downtime In connection with the transition to NCTS Phase 6, Swedish Customs has announced a planned service interruption. ### NCTS (Transit System) The transition to NCTS Phase 6 will take place at **00:59:59 on 27 February 2026 (Swedish time)**. This will result in system downtime: - **27 February 2026** - **00:00–03:00 (CET)** After 00:00 on 27 February, all messages must be submitted according to the NCTS Phase 6 technical specification. Swedish Customs recommends planning in advance to minimise the number of cases during the downtime. If a transit must be handled during the service interruption, the **NCTS contingency procedure** must be used. ### Please note: - Codes **1 (ENS)** and **3 (ENS & EXS)** cannot be used for safety and security declarations ![](https://hub.emmasys.com/hs-fs/hubfs/%7BFC0BC694-04DC-474F-849A-51F78ED83E63%7D-png.png?width=670&height=125&name=%7BFC0BC694-04DC-474F-849A-51F78ED83E63%7D-png.png) - IE007 – the incident flag – has been removed. ![](https://hub.emmasys.com/hs-fs/hubfs/image-png-Feb-12-2026-02-35-38-4675-PM.png?width=590&height=198&name=image-png-Feb-12-2026-02-35-38-4675-PM.png) ### Useful links: NCTS Phase 6 – [Swedish Customs website](https://www.tullverket.se/foretag/internationellhandel/transporteraochlagravaror/transporteravaror/transiteravaror/transiteringssystemetncts/fragorochsvaromnctsfas6.4.6967fe101964058a61b408d9.html) We recommend planning any necessary testing well in advance of the production launch. 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