No funds made available to a recipient may be used for the purpose of (i) lobbying; (ii) encouraging political activities, labor or anti-labor activities, boycotts, picketing, strikes, or demonstrations; or (iii) investigative or legal compliance activities unrelated to a pending dispute. A recipient may not use funds received under this Act to file an individual action or class action under the Migrant and Seasonal Agricultural Worker Protection Act (29 U.S.C. § 1801 and following) or other labor laws.