Compact vs Slender Steel Sections

Most standard steel structural shapes these days are designed to prevent local buckling, as it’s a tricky little check that’s easy to miss, and these shapes are known as compact. Compact shapes don’t need to be checked for local buckling effects. But several legacy shapes do still exist in the steel manual that are either noncompact or slender, and steel designers specifying their own built-up beams can easily stumble into troubled waters as well. How can you tell if a steel shape is compact, and what happens if they aren’t?

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Is there any standard that prohibits the use of non-compact or slender profiles for a certain application?