No excuses

9.  No excuses

Remember the comic Flip Wilson and his famous line “The devil made me do it”.  Unfortunately, Flip was wrong.  The only thing we can truly control is ourselves.  When apologizing make no excuses.   
(To be continued.)

Own it

8.  Own it

By your demeanor, tone of voice and eye contact show the seriousness with which you regard what you did to the offended party.  If appropriate, extend your hand or perhaps touch their shoulder to further communicate that you understand the gravity of your failure.
(To be continued.)

Even if it is not all your fault

7.  Even if it is not all your fault

Sometimes multiple people are involved in creating a problem.  If this is the case, completely define and apologize for your part.  If others who report to you are involved, take full responsibility. 
(To be continued.)