diff --git a/data/boxes.csv b/data/boxes.csv
index 721ee3f..076ff1d 100644
--- a/data/boxes.csv
+++ b/data/boxes.csv
@@ -281,3 +281,18 @@ elng,Extended Language Tag,ISO
 rsot,Redundant Sample Original Timing,ISO
 ssrt,Sub-sample Reference Table Box,ISO
 mini,The MinimizedImageBox provides a more compact representation of the MetaBox for a subset of use cases,HEIF
+dtrk,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",
+dtrC,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",
+dimg,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",
+dinp,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",
+ctln,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",
+idtt,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",
+cfil,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",
+dslv,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",
+crop,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",
+srot,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",
+smir,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",
+sscl,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",
+2dcc,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",
+gdcp,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",
+sovl,"""While working on a new derivation contribution, I noticed the 4CC codes defined in ISO 23001-16 have not been registered. I believe I have captured them all in the list above. They take various forms, including boxes, track references, etc.""",