(a) Except as provided in subsection (b) of this section, a lawyer expeditiously shall deposit trust money into an attorney trust account.
(b) Subsection (a) of this section does not apply if there is a court order to the contrary.
(c) Notwithstanding subsection (a) of this section or any other law, a lawyer may disburse, at settlement in a real estate transaction, trust money that the lawyer receives in the transaction.