III.8.

Engineers shall not attempt to injure, maliciously or falsely, directly or indirectly, the professional reputation, prospects, practice or employment of other engineers, nor untruthfully criticize other engineers' work. Engineers who believe others are guilty of unethical or illegal practice shall present such information to the proper authority for action.

III.8. Part 1

Code is relevant when:

Engineer makes comments about another engineer

Code is violated when:

Engineer's comments are an attempt to maliciously injure the professional reputation, prospects, practice or employment of other engineers
OR
Engineer's comments are an attempt to falsely injure the professional reputation, prospects, practice or employment of other engineers

Code is not violated when

Engineer's comments are not an attempt to maliciously injure the professional reputation, prospects, practice or employment of other engineers
AND
Engineer's comments are not an attempt to falsely injure the professional reputation, prospects, practice or employment of other engineers

III.8. Part 2

Code is relevant when:

Engineer criticizes another engineer's work

Code is violated when:

Engineer untruthfully criticizes another engineer's work

Code is not violated when

Engineer truthfully criticizes another engineer's work

III.8. Part 3

Code is relevant when:

Engineer believes another engineer is guilty of unethical or illegal practice

Code is violated when:

Engineer does not tell the proper authority about the suspected unethical or illegal practice

Code is not violated when

Engineer tells the proper authority about the suspected unethical or illegal practice