Use the chapter number
Error2Federal courts, Illinois courts21st and 22nd editions
A session law from before 1957 is never cited with a public law number. Acts carry public law numbers only from the 85th Congress onward; earlier ones are cited by the chapter number the Statutes at Large gave them.1
- 1T1.1 Federal Judicial and Legislative Materials. Tables: R. 12.4 Session Laws.
- 2An error: the rule in note 1 allows one form, and this is not it.