"Loop holes" refers to a legal way to avoid or exploit rules, regulations, or restrictions. It means finding a clever way to get around the system's limitations or find an advantage. Full definition
Oh, that's right ship jobs over seas and find loop holes in taxes. (religion.blogs.cnn.com)
These teams are experienced in finding loop holes and taking every opportunity to avoid giving you your settlement, even when you desperately need it. (reidlawalabama.com)