diff --git a/formats/ccsds.toml b/formats/ccsds.toml
index 6277ae4..c8bdd44 100644
--- a/formats/ccsds.toml
+++ b/formats/ccsds.toml
@@ -47,4 +47,10 @@ field_type = {type = "UInt", bit_width = 14, endianness = "BigEndian"}
 
 [[formats.fields]]
 name = "Data Length"
-field_type = {type = "UInt", bit_width = 16, endianness = "BigEndian"}
\ No newline at end of file
+field_type = {type = "UInt", bit_width = 16, endianness = "BigEndian"}
+
+[[formats.fields]]
+name = "Data"
+# Allow payloads up to the max size that can be specfied in "Data Length"
+field_type = {type = "Bytes", max_len = 65535, endianness = "BigEndian"}
+