I could read this one of two ways: "a company must have been continuously filing for a minimum of 2 years", or "a company must have filed at least once within

I could read this one of two ways: "a company must have been continuously filing for a minimum of 2 years", or "a company must have filed at least once within the last two years". I have no idea which is right (or if i'm completely wrong on both accounts) :-S