Railway and navigation undertakings Railway and navigation undertakings Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch. 10 para. 1(3) words substituted by Communications Act 2003 (Consequential Amendments) 2003 Sch. 1 para. 17 Sch. 10 para. 2(9) words substituted by Communications Act 2003 (Consequential Amendments) 2003 Sch. 1 para. 17 Sch. 10 para. 1(6) words revoked by Communications Act 2003 (Consequential Amendments) 2003 Sch. 2 Table 2 Sch. 10 para. 2(9) words revoked by Communications Act 2003 (Consequential Amendments) 2003 Sch. 2 Table 2 3Paragraph 3 Railway and navigation undertakings