'maintain custody' is a correct and usable phrase in written English.
You can use this phrase to refer to the legal responsibility to care for and be responsible for a child or other dependent person. For example, "The court order stated that the mother must maintain custody of the child until further notice."
They could vote, choose their own husbands and maintain custody of their children after a divorce.
Watts says that she initially fought to maintain custody, but finally signed away her rights.
In 1997, the Salvation Army hired BNY Mellon to maintain custody of securities it owned, and shortly thereafter, agreed to participate in a securities lending program.
Mr. Obama may want to be your friend of Facebook, but he, like every other president, wants to maintain custody of the narrative.
Unlike Lady Gaga, or Madonna before her, Ms. Taylor did not maintain custody of her image and her fans by mutating to give them what they wanted before they even knew they wanted it.
The medical examiner's office will maintain custody of the remains, though, allowing it to conduct more testing when scientific advances allow, or to honor changes in the desires of families.
Moreover, we know that the Syrian regime maintains custody of these chemical weapons.
The Assad regime maintains custody of chemical weapons material and has the capacity "to do this with rockets".
The bank's president, Richard T. Cummings Jr., said at the time that the bank had simply maintained custody accounts for customers who knowingly invested with Mr. Madoff.
"The Defense Department no longer operates detention facilities in Afghanistan nor maintains custody of any detainees," he said, adding that the government of Afghanistan will be responsible for any detention facilities.
The Investment Banking & Investment Services segment offers security dealing, managing, arranging advising and maintaining custody services in relation to securities.
