> For the complete documentation index, see [llms.txt](https://developer.tokeninc.com/token-developer-portal-1/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.tokeninc.com/token-developer-portal-1/okc-platform-linux/devices/220tr-l/platform.md).

# Platform

**Formal Package:**

{% file src="/files/WpZHd1JcRRIDerFfPRcR" %}
220TR Platform
{% endfile %}

Release Note: 

* Regulatory key block enhancements for banking

{% file src="/files/N5noao42U6ECU91pBk8x" %}
220TR/L Platform
{% endfile %}

Release Note: 

* Regulatory key block enhancements for banking

<mark style="color:red;">**NOTE:**</mark>  These software versions must only be used with firmware version **FW0033**.

**Test Package:**

{% file src="/files/zsHQjmOxPL6prw9zQ6vp" %}
220TR Test Package
{% endfile %}

{% file src="/files/HRsk5aJifX8DvTmGorEs" %}
220TR/L Test Package
{% endfile %}

TR31 Key Block Platform:

<mark style="color:red;">**NOTE:**</mark> This version is not an approved version; it has been added so that you can make your TR31 key block developments and view your own validations.

{% file src="/files/3teVw6uLBKnIbNoFhMEb" %}