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Published online by Cambridge University Press: 20 March 2017
1 Not in force.
2 Not in force for the United States.
1 Not in force.
1 Not in force.
2 Applicable to Land Berlin.
1 Not in force.
1 Not in force.
1 Not in force for the United States.
2 Not in force.
1 Not in force.
1 Not in force.
1 Not in force.
2 Applicable to Land Berlin.
3 Not in force for the United States.
1 Not in force.
1 Not in force for the United States.
2 Not in force.