diff --git a/i2p2www/pages/site/get-involved/guides/dev-guidelines.html b/i2p2www/pages/site/get-involved/guides/dev-guidelines.html
index 67314026a8fbb3cef25c99dc0e408b9b937bcffd..a3ea81f2cb75bfc6f3326fd8c8c2860ee0e6c726 100644
--- a/i2p2www/pages/site/get-involved/guides/dev-guidelines.html
+++ b/i2p2www/pages/site/get-involved/guides/dev-guidelines.html
@@ -1,6 +1,6 @@
 {% extends "global/layout.html" %}
 {% block title %}{{ _('Developer Guidelines and Coding Style') }}{% endblock %}
-{% block lastupdated %}{% trans %}February 2016{% endtrans %}{% endblock %}
+{% block lastupdated %}{% trans %}April 2016{% endtrans %}{% endblock %}
 {% block content %}
 <p>{% trans newdevs=site_url('get-involved/guides/new-developers') -%}
 Read the <a href="{{ newdevs }}">new developers guide</a> first.
@@ -211,6 +211,14 @@ verify the license is compatible,
 and obtain approval from the lead developer.
 {%- endtrans %}</li>
 <li>{% trans -%}
+If you do obtain approval to add external code or jars,
+and binaries are available in any Debian or Ubuntu package,
+you must implement build and packaging options to use the external package instead.
+Checklist of files to modify:
+{%- endtrans %}
+build.properties, build.xml, debian/control, debian/i2p-router.install, debian/i2p-router.links, debian/rules, sub-build.xml
+</li>
+<li>{% trans -%}
 For any images checked in from external sources,
 it is your responsibility to first verify the license is compatible.
 Include the license and source information in the checkin comment.