# release format 2

## Release Format 2

**This is an abbreviation for SNOMED CT Release Format 2.**

## SNOMED CT Release Format 2

The file structure used to distribute SNOMED CT content and derivatives.

#### Notes

* *Release Format 2* was specified by SNOMED International.
* In 2012, Release Format 2 replaced the original SNOMED CT Release Format 1 used between 2002 and 2012.
* During an overlap period until 2016, both formats were used for the SNOMED CT International Release.

## Alternatives

* **Release Format 2**
* **RF2**

##

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