it applies to

Yes, applies is the correct spelling.


Some example sentences are:
She applies to the local university.

The same rule applies to you as well, Benjamin.

The doctor applies a bandage to my wound.

That applies to energy in general.

That applies to energy in general.

That applies to energy in general.

That applies to energy in general.

What applies to something, applies the same way to the other. Or, what applies to one thing, applies the opposite way to another. Doubts see the context.

Are your referring to the terms, "Inadmissable" or perhaps the phrase, "Fruit of The Poisoned Tree?"

Also known as the exclusionary rule.