Think this may give you what you are looking for, at least for EASA light aircraft. I would confirm the interpretation of this with your local CAA surveyor.
Regulation No 1321/2014 (Appendix I Part M) amended by:
Regulation No 2015/1536. Part M-A 801(b) refers.
It appears you can issue a CRS based on your B2. You need to keep all records to support any maintenance performed.
Now my brain hurts as well - good luck.