take possession of
US /teɪk pəˈzeʃ.ən ʌv/
UK /teɪk pəˈzeʃ.ən ʌv/

1.
to gain control or ownership of something
:
•
The bank will take possession of the property if the loan is not repaid.
•
After years of legal battles, the family was finally able to take possession of their ancestral home.