professional courtesy
US /prəˌfeʃ.ən.əl ˈkɝː.tə.si/
UK /prəˌfeʃ.ən.əl ˈkɝː.tə.si/
1.
a special consideration or respect shown to a fellow member of the same profession
:
•
The doctor offered a discount as a matter of professional courtesy to his colleague.
•
It's common professional courtesy to acknowledge contributions from others in your field.