Here are a couple of choices for fishing industry codes that will work in TurboTax.
- 114113 - Saltwater fishing
- 114114 - Freshwater fishing
If neither of these is suitable to your industry, try searching in the link below.
http://www23.statcan.gc.ca/imdb/p3VD.pl?Function=getVD&TVD=1181553&CVD=1182006&CPV=11411&CST=0101201...
