An attorney and his or her employees who are employed primarily to assist in the collection of a consumer debt owed to another, as defined by Section 1788.2 of the Civil Code, shall comply with all of the following:
For the purpose of this section, "debtor" includes the debtor's spouse, parent, or guardian, if the debtor is a minor, executor, or administrator.
If the debtor notifies the attorney or his or her employee in writing within the 30-day period described in this section that the debt or any portion thereof is disputed, or that the debtor requests the name and address of the original creditor, the attorney and his or her employee shall cease collection of the debt or any disputed portion thereof, except for filing suit thereon, until the attorney obtains a writing, if any exists, evidencing the debt or a copy of a judgment or the name and address of the original creditor, and a copy of such writing or judgment or the name and address of the original creditor is mailed to the debtor by the attorney or his or her employee.
Ca. Bus. and Prof'l. Code § 6077.5