Standard VII: CFA Responsibilities. Members and Candidates must not engage in any conduct that compromises the reputation or integrity of CFA Institute or the CFA designation, or the integrity, validity or security of the CFA examinations. This Standard specifically addresses the integrity or validity of the CFA examination process.
Incidental means secondary in time or importance. If you lose weight because you moved and must walk further to school, the weight loss was incidental to the move. When something is incidental, it is never the main thing. It's okay to include incidental details as they can add depth to your storytelling, but they are never crucial to the story.
Switch to new thesaurus. incidental, minor expense. plural, plural form - the form of a word that is used to denote more than one. expense - money spent to perform work and usually reimbursed by an employer; he kept a careful record of his expenses at the meeting.