# IG Change History - Order Catalog Implementation Guide v1.0.0

* [**Table Content**](toc.md)
* **IG Change History**

## IG Change History

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| *Page standards status:*[Informative](http://hl7.org/fhir/R5/versions.html#std-process) |

 This provides a list of changes to the Order Catalog IG specification since its initial release 

 **2020-01-01 v0.1.0 - Order Catalog IG R1 (STU ballot 1) Ballot Candidate** based on FHIR R4 

* Initial version

