A person becomes a limited partner:
(a)
as provided in the partnership agreement;(b)
as the result of a conversion or merger under Article 11 (commencing with Section 15911.01); or(c)
with the consent of all the partners.
Source:
Section 15903.01, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=CORP§ionNum=15903.01..