Chapter D. Viruses and Virus-Like Pathogens Changes not yet applied. Later legislation changes this provision in ways not yet written into the text below: Sch.1, Pt IIC amended by Plant Health 1991 sch. 1 amended by Plant Health 1989 sch. 1 Pt. IA item 13 revoked by Plant Health 1990 sch. 1 Pt. HA inserted by Plant Health 1990 sch. 1 item 16 inserted by Plant Health 1990 sch. 1 amended by Plant Health 1989 1Paragraph 1 2Paragraph 2 3Paragraph 3 4Paragraph 4 5Paragraph 5 6Paragraph 6 7Paragraph 7 Chapter D.