About labor certification

On the first floor, people asked about the United Kingdom, not the United States. As far as I know, the British football labor certificate is not interchangeable with other labor certificates. One of the application conditions for the football labor certificate requires that the player must participate in at least all first-level international competitions of the country's national team in the past two years. of 75 or above, unless there are any special reasons. In other words, each industry has its own special requirements, and different industries have different labor certificates, so they cannot be universal.

The above is my opinion. If there is anything wrong, please let me know.