--- title: MarketDataRequestReject message – FIX 5.0 SP1 – FIX Dictionary – Onix Solutions description: MarketDataRequestReject message – FIX 5.0 SP1 – FIX Dictionary – Onix Solutions --- ![Dictionary icon](https://www.onixs.biz/hubfs/SIC_website_2020/images/interface/img-icon-book.svg) # MarketDataRequestReject message – FIX 5.0 SP1 – FIX Dictionary | Messages by MsgType \| Messages by Name \| Fields by Tag \| Fields by Name \| FIX 5.0 SP1 \| Home FIX 5.0 SP1 : MarketDataRequestReject message Structure \| Related Messages Description The Market Data Request Reject <3> is used when the broker cannot honor the Market Data Request, due to business or technical reasons. Brokers may choose to limit various parameters, such as the size of requests, whether just the top of book or the entire book may be displayed, and whether Full or Incremental updates must be used. Structure Tag Field Name Req'd Comments Component Block - Y MsgType = Y 262 MDReqID Y Must refer to the MDReqID of the request. 281 MDReqRejReason N Component Block - N 58 Text N 354 EncodedTextLen N Must be set if EncodedText field is specified and must immediately precede it. 355 EncodedText N Encoded (non-ASCII characters) representation of the Text field in the encoded format specified via the MessageEncoding field. Component Block - N Insert here the set of Parties (firm identification) fields defined in "Common Components of Application Messages Component Block - Y Related Messages Reject <3> | | --- | | ![](https://www.onixs.biz/hs-fs/hubfs/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.sp1/msgtype_y_89.html#) [OnixS ](https://www.onixs.biz/) Menu --- --- [OnixS ](https://www.onixs.biz/) ### Search the site Search