Teaching other than that approved by the University can constitute a conflict of commitment. Of particular concern is remunerated teaching. Specifically, faculty members cannot provide private lessons to students for personal gain as this constitutes a clear conflict of interest.

References:

• Faculty Policy on Conflict of Commitment and Interest, Research Policy Handbook, Stanford University https://doresearch.stanford.edu/policies/research-policy-handbook/conflicts-commitment-and-interest
• Conflict of Interest, MIT Policies and Procedures http://web.mit.edu/policies/4/4.4.html
• Yale University Policy on Conflict of Interest and Conflict of Commitment, Office of the Provost, Yale University.
  https://your.yale.edu/sites/default/files/coi_policy_final_rev_11_29_12_01_1.pdf