If riding around Europe it's Vienna rules (and/or the pragmatism of local cops).
Does anyone else confuse
Vienna Rules with
Moscow Rules?
No but I confuse the Venice convention on Road Traffic with the Geneva Convention.
Thankfully the predecessor on the Venice Convention for Road Traffic was the Geneva Convention on Road Traffic
OH does this also mean we need to carry GB stickers (or what ever for the non-GB based)
Venice 1968 implemented 1977
Chapter V
CONDITIONS FOR THE ADMISSION OF CYCLES AND MOPEDS TO INTERNATIONAL TRAFFIC
ARTICLE 44
1. Cycles without an engine in international traffic shall:
(a) Have an efficient brake;
(b) Be equipped with a bell capable of being heard at a sufficient
distance, and carry no other audible warning device;
(c) Be equipped with a red reflecting device at the rear and with devices
such that the cycle can show a white or selective-yellow light to the front and a
red light to the rear.
Geneva 1949 CHAPTER VI. PROVISIONS APPLICABLE TO CYCLES IN INTERNATIONAL TRAFFIC
Article 26
Every cycle shall be equipped with:
(a) at least one efficient brake;
(b) an audible warning device consisting of a bell, to the exclusion of any other audible warning device, capable of being heard at a reasonable distance;
(c) a white or yellow light in front and a red light or a red reflex reflector in the rear from nightfall and during the night or when atmospheric conditions render it necessary.
Can't find any text for the 1926 Paris Convetion