Rules 0-1-3, 0-1-4, 0-1-5 and 0-1-8. External libs.

[Alex-R]

Rules 0-1-3, 0-1-4, 0-1-5 and 0-1-8 could have exception as using external libs.
The could be include external lib header or involved lib external sources that have more functionality than uses the project.

Yes?

[misra cpp]

Section 3.5 of MISRA C++:2008 (Library issues) explains that projects can decide that these guidelines are not in scope when applied to library code.