R8:13.

He will advise his client when he believes a project will not be successful.

[See Codes 1(c). (Part 2), III.1.b. (Part 2) ]

Code is relevant when:

Engineer has a client
AND
Engineer believes the client's project will not be successful

Code is violated when:

Engineer does not advise his client that he believes the project will not be successful

Code is not violated when

Engineer advises his client that he believes the project will not be successful