Q.4: Date of Birth
The exact date of birth (day, month and year) must be entered numerically for this Question. The year of birth of all persons in a private household should be compared with one another, bearing in mind their relationships. In particular, parents' and childrens' ages should be reasonably consistent with one another.

*The Note(s) referred to throughout this Appendix are the Explanatory Notes - pages 7 and 8 - of Form A.