(a) Parties; remedies The host State , the host racing association , or the horsemen’s group may commence a civil action against any person alleged to be in violation of this chapter, for injunctive relief to restrain violations and for damages in accordance with section 3005 of this title . (b) Intervention In any civil action under this section, the host State , the host racing association and horsemen’s group, if not a party, shall be permitted to intervene as a matter of right. (c) Limitations A civil action may not be commenced pursuant to this section more than 3 years after the discovery of the alleged violation upon which such civil action is based. (d) State as defendant Nothing in this chapter shall be construed to permit a State to be sued under this section other than in accordance with its applicable laws. ( Pub. L. 95–515, § 7 , Oct. 25, 1978 , 92 Stat. 1814 .)