--- title: component block – FIX 5.0 SP2 – FIX Dictionary – Onix Solutions description: component block – FIX 5.0 SP2 – FIX Dictionary – Onix Solutions --- ![Dictionary icon](https://www.onixs.biz/hubfs/SIC_website_2020/images/interface/img-icon-book.svg) # component block – FIX 5.0 SP2 – FIX Dictionary | Messages by MsgType \| Messages by Name \| Fields by Tag \| Fields by Name \| FIX 5.0 SP2 \| Home FIX 5.0 SP2 : component block Structure \| Used In Description Structure Tag Field Name Req'd Comments 936 NoCompIDs N Used to restrict updates/request to a list of specific CompID/SubID/LocationID/DeskID combinations. If not present request applies to all applicable available counterparties. EG Unless one sell side broker was a customer of another you would not expect to see information about other brokers, similarly one fund manager etc. => 930 RefCompID N Used to restrict updates/request to specific CompID => 931 RefSubID N Used to restrict updates/request to specific SubID => 283 LocationID N Used to restrict updates/request to specific LocationID => 284 DeskID N Used to restrict updates/request to specific DeskID Used In NetworkCounterpartySystemStatusRequest | | --- | | ![](https://www.onixs.biz/fix-dictionary/img/spacer.gif?height=5&name=spacer.gif) | - Follow OnixS - [Follow us on Twitter ](https://twitter.com/onixsbiz) - [Connect with us on LinkedIn ](https://www.linkedin.com/company/onix-solutions/) We track how people interact with our online web content and resources, and some of that tracking involves storing cookies on your device. By continuing to use our site you accept that you agree to this. For more details see our [Cookie usage, and Data Privacy and Protection Policies](https://www.onixs.biz/cookies-and-privacy.html). [Ok](https://www.onixs.biz/fix-dictionary/5.0.sp2/compblock_compidreqgrp.html#) [OnixS ](https://www.onixs.biz/) Menu --- --- [OnixS ](https://www.onixs.biz/) ### Search the site Search