(c)

1. (1) The owner may send the notices required by Sections 21703 and 21705 to the occupant and to the alternative address specified in subdivision (b) by email only if both of the following conditions are met:

   1. (A) The rental agreement states that lien notices may be sent to the occupant and to the alternate by email.
   2. (B) The occupant provides a written signature on the rental agreement consenting to receive lien notices by email.

2. (2) An owner may demonstrate actual delivery and receipt by any of the following:

   1. (A) The occupant acknowledges receipt of the electronic transmission of the document by executing an electronic signature, which is defined as an electronic sound, symbol, or process attached to, or logically associated with, an electronic record and executed or adopted by a person with the intent to sign the electronic record.
   2. (B) The document is delivered to the occupant’s email address, and there is evidence demonstrating that the occupant downloaded, printed, viewed, opened, or otherwise acknowledged receipt of the document.
   3. (C) The document is transmitted to the occupant through an application on an internet website that is secured by password, biometric identifier, or other technology, and there is evidence demonstrating that the occupant logged into the application and viewed or otherwise acknowledged receipt of the document.
   4. (D) The occupant acknowledges receipt of the electronic transmission of the document by replying to the email communication, and there is delivery path evidence that the reply email was sent from the occupant’s email address.
3. (3) If the owner is unable to demonstrate actual delivery and receipt pursuant to paragraph (2), the owner shall resend the notice by mail to the occupant’s last known mailing address in the manner originally specified by the underlying provisions of Section 21703 or 21705.