It says, Wherein an affidavit is provided in lieu of testimony to support a newspaper article or newspaper articles, the reporter shall be obligated to testify as to the facts set forth in the articles, i.e., what was seen and heard as related in the newspaper articles.

Can we draw the following conclusion?
It is rare that an affidavit is used in lieu of testimony.

Possible answers:
a). Yes.
b). It's impossible to say.
c). No.
b).