derogation
US /ˌder.əˈɡeɪ.ʃən/
UK /ˌder.əˈɡeɪ.ʃən/

1.
the action of derogating from something; disparagement.
:
•
The new policy is a derogation of workers' rights.
•
His comments were a derogation of her achievements.
2.
an exemption from or relaxation of a rule or law.
:
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The government granted a derogation from the strict environmental regulations.
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This clause allows for a derogation in specific circumstances.