Section 5-504 - Violation of regulations(a) A person may not, in violation of this subtitle or any regulation adopted under it: (1) Establish or construct any new structure;(2) Make any new use of any existing structure or land;(3) Substantially alter any existing structure or use of land; or(4) As to any tree or other vegetation: (i) Plant or replant any of such a height as to be an airport hazard;(ii) Allow any to grow to such a height as to be an airport hazard; or(iii) Even if it is nonconforming, allow any that is an existing airport hazard to grow any higher.(b) If any person violates any provision of this section, the Administration, in addition to any other remedy, may institute any appropriate judicial action to prevent, restrain, correct, or abate the unlawful action or condition.