(1) A person commits the offense of frequenting a place where controlled substances are used if the person keeps, maintains, frequents, or remains at a place, while knowingly permitting persons to use controlled substances in such place or to keep or sell them in violation of 475.005 (definitions) to 475.285 (Short title) and 475.752 (prohibited controlled substance acts generally) to 475.980 (affirmative defense...)