California Civil Code > Civil Code §1788.11. Debt Collectors – Prohibited Practices when Contacting Debtor
No debt collector shall collect or attempt to collect a consumer debt by means of the following practices:
(a) Using obscene or profane language;
(b) Placing telephone calls without disclosure of the caller’s identity, provided that an employee of a licensed collection agency may identify himself by using his registered alias name as long as he correctly identifies the agency he represents;
(c) Causing expense to any person for long distance telephone calls, telegram fees or charges for other similar communications, by misrepresenting to such person the purpose of such telephone call, telegram or similar communication;
(d) Causing a telephone to ring repeatedly or continuously to annoy the person called; or
(e) Communicating, by telephone or in person, with the debtor with such frequency as to be unreasonable and to constitute an harassment to the debtor under the circumstances.