While Paul Simon used “One man’s ceiling is another man’s floor,” to refer to apartment house rules of courtesy, you might find a parallel to this separate-but-connected concept in the food supply chain.
FPL Food (Augusta, GA) is one of the largest privately owned processors of fresh beef products and value-added meat selections in the US. It provides several brands of high-quality beef to retail and foodservice customers.
No one ever said 3-A Sanitary Standards Inc. (3-A SSI) and the European Hygienic Engineering and Design Group (EHEDG) guidelines were supposed to be compatible or directly interchangeable in an “apples to apples” sense. In fact, they were conceived at different times, in different parts of the world and with different needs in mind.