TY - BOOK ED - United States. TI - Tips for issuing officers on employment and age certificates under the Fair Labor Standards Act as amended T2 - Its Bulletin, AV - HD6243.U5 A4 1950 U1 - 331.34 PY - 1950/// CY - [Washington PB - U.S. Govt. Print. Off.] KW - Child labor KW - United States N1 - Title on cover: Employment and age certificates ER -