Are you asking about minimum wage laws, which vary by state?
Or a Wage Statement for Migrant and Seasonal Workers? http://webapps.dol.gov/libraryforms/FormsByTitle.asp#ListW
These are in English, but they also have them in Spanish: http://webapps.dol.gov/libraryforms/go-us-dol-form.asp?FormNumber=39
http://webapps.dol.gov/libraryforms/go-us-dol-form.asp?FormNumber=41