Existence of course of business when relevant.
- When there is a question whether a particular act was done, the existence of any
course of business, according to which it naturally would have been done, is a relevant fact.
Illustrations.
(a) The question is, whether a particular letter was dispatched. The facts that it was
the ordinary course of business for all letters put in a certain place to be carried to the post,
and that particular letter was put in that place are relevant.
(b) The question is, whether a particular letter reached A. The facts that it was posted
in due course, and was not returned through the Return Letter Office, are relevant.