How many items does a workplace label need (daily use)? What are these items?

a) 3 items - Product identifier, precautionary statement, expiration date
b) 4 items - Product name, hazard class, precautionary statement, supplier information
c) 5 items - Product identifier, hazard class, signal word, precautionary statement, supplier information
d) 6 items - Product name, hazard class, signal word, precautionary statement, supplier information, expiration date