The test for qualified privilege in defamation focuses on whether the communication was published on a privileged occasion and was relevant to that occasion, and express malice requires proof that the dominant purpose was an improper purpose foreign to the privileged occasion.
The full text is available to signed-in members, including the 6 later cases that cite this judgment.
2 of the 6 citing cases carry a classified treatment. How each court treated it is available to signed-in members.