...
(3) The complete street address need not be disclosed as required
by paragraph (1) if the vendor utilizes a private mailbox receiving
service and all of the following conditions are met: (A) the vendor
satisfies the conditions described in paragraph (2) of subdivision
(b) of Section 17538.5, (B) the vendor discloses the actual street
address of the private mailbox receiving service in the manner
prescribed by this subdivision for the disclosure of the vendor's
actual street address, and (C) the vendor and the private mailbox
receiving service comply with all of the requirements of subdivisions
(c) to (f), inclusive, of Section 17538.5.