imposition
US /ˌɪm.pəˈzɪʃ.ən/
UK /ˌɪm.pəˈzɪʃ.ən/

1.
the act of imposing something, such as a tax, rule, or burden
:
•
The new tax was an unwelcome imposition on small businesses.
•
The government's imposition of strict regulations led to public outcry.
2.
an unwelcome or unfair demand or burden
:
•
I hope my request isn't too much of an imposition.
•
Visiting them late at night would be an imposition.