diff --git a/source/chapter2-uefi.rst b/source/chapter2-uefi.rst
index 20fd096970ab4cbf0c6a4547d01e1e5427991c3e..27d6d21bd084d63b530615be76e2c04a12b817b2 100644
--- a/source/chapter2-uefi.rst
+++ b/source/chapter2-uefi.rst
@@ -133,3 +133,13 @@ The FW vendor signature should be placed before the FW image as is described in
 
 The FW images should be authenticated before being written to the FW store or before being
 allowed to execute on the platform.
+
+
+
+Maximum Trial platform boots
+----------------------------
+
+The UEFI implementation must keep a count of the consecutive platform boots in
+the Trial state [FWU]_.  If the number of consecutive platform boot in the
+Trial state exceeds a platform defined value of *max_trial_boots* then the UEFI
+implementation must revert the FW to the previous working bank [FWU]_.