If the petition for a hearing was made by the third person, neither the petition nor the proceedings pursuant thereto may be dismissed without the consent of the creditor. If the petition for a hearing was made by the creditor, neither the petition nor the proceedings pursuant thereto may be dismissed without the consent of the third person.
Source:
Section 720.370, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CCP§ionNum=720.370..