Article 18 RevocationsI1 Northern Ireland Not yet in force Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: art. 18 coming into force by Tuberculosis Control 1999 art. 1 The statutory provisions listed in the Schedule are hereby revoked to the extent that they remain in operation. Annotations Commencement I1 Art. 18 in operation at 26.7.1999, see art. 1 ← Article 17 Article 18 Signature →