Clearly, she is not liable for the arrears as she was not living at the address.
From the independent.co.uk
Wage arrears, though still too large, are far smaller than they were a year ago.
From the economist.com
Although Heathcote reduced the arrears late on to one point, the Sharks held on.
From the guardian.co.uk
Andy Philips reduced the arrears in the second half before the late shenanigans.
From the gazetteherald.co.uk
Older brother Kenneth reduced the early arrears with a sharp sub-59 second tour.
From the edp24.co.uk
Almost destitute, Eileen eats little and is in arrears for her cheap hotel room.
From the en.wikipedia.org
The superb Jets reduced the arrears to 4-2 from the spot, courtesy of Marc Ayres.
From the borehamwoodtimes.co.uk
This helps tenants manage their money effectively and in turn, reduces arrears.
From the guardian.co.uk
By April 10 of this year, he was $48,217 in arrears and owed $50,515 in interest.
From the jsonline.com
More examples
The state of being behind in payments; "an account in arrears"
An unpaid overdue debt
Arrears (also sometimes known as rearage) is a legal term for the part of a debt that is overdue after missing one or more required payments. The amount of the arrears is the amount accrued from the date on which the first missed payment was due; the account is said to be "in arrears". ...
(arrear) Work to be done, obligation; Unpaid debt; Towards the rear, backwards. [14th-16th c.]; Behind time; overdue. [15th-19th c.]
(Arrear) To gather and prepare an army
Money which is not paid when due, under a payment plan or amortization schedule. Could lead to enforcement of loan agreement by lender
Bills which should have been paid. For example, if you have forgotten to pay your last 3 months rent, then you are said to be 3 months in arrears on your rent.
Mortgage payment includes interest for prior month, or overdue payments in default.
Generally, being overdue in an installment payment.