Norway we have the following requirements (google translate used!):
Regulations governing the practice of hunting and trapping
Chapter 5 Weapons and ammunition
§ 16 Requirements for rifle ammunition
For moose, red deer, fallow deer, caribou, wild boar, wild sheep, musk ox or hunting of wolves and bears, use ammunition with expanding projectiles with a minimum weight of 9 grams and with the following energy estimate:
a) for ammunition with bullet weight between 9 grams (138.9 grains) and 10 grams (154 grain) should be a minimum impact energy of 2700 joules (275 kgm) measured at 100 meters distance, E100.
b) ammunition with bullet weight of 10 grams or more shall be a minimum impact energy of 2200 joules (225 kgm) measured at 100 meters distance, E100.
When hunting with a rifle for deer, beaver and lynx or killing of wolverines and lynx, use ammunition with expanding projectiles and impact energy must be at least 980 joules (100 kgm) measured at 100 meters distance, E100.