Laws, courts and authorities
BGBl
Abbreviation for Bundesgesetzblatt
In short and in plain language
The BGBl is the official paper of the German state.
In it, the state makes new laws and rules public.
A link to it shows where you can read the exact text of a rule. That is the text that counts.
Definition
The BGBl is the German Federal Law Gazette, in which federal laws and ordinances are officially published. A reference to it shows where the binding text of a provision can be found.