What is the rule in Bosnia and Herzegovina regarding the use of headlights on motorcycles during daytime riding?

1. Low-beam headlights (or daytime running lights) must be switched on at all times during daytime driving
2. Headlights are only required during daylight when visibility is reduced below 200 metres
3. Headlights are mandatory during daytime only outside built-up areas
4. Headlights are optional during daylight on all roads if weather is clear