Add the federal compilation citation

Error²Federal courts, Illinois courts21st and 22nd editions

Swiss federal law is printed twice: in a systematic compilation kept up to date and in a chronological collection paginated by year of enactment. A code, statute or decree is cited to one of the two, or to both.¹

1. 1T2.43 Switzerland; T2.41 Switzerland. Tables: T10.3 Countries and Regions.
2. 2An error: the rule in note 1 allows one form, and this is not it.