Cal. Corporations Code § 15911.23

Within 30 days after the date on which notice of the approval of the outstanding interests of the limited partnership is mailed to the limited partner pursuant to subdivision (a) of Section 15911.22, the limited partner shall submit to the limited partnership at its principal office or at the office of any transfer agent thereof, (a) if the interest is evidenced by a certificate, the limited partner’s certificate representing the interest which the limited partner demands that the limited partnership purchase, to be stamped or endorsed with a statement that the interest is a dissenting interest or to be exchanged for certificates of appropriate denominations so stamped or endorsed, or (b) if the interest is not evidenced by a certificate, written notice of the number or amount of interest which the limited partner demands that the limited partnership purchase. Upon subsequent transfers of the dissenting interest on the books of the limited partnership, the new certificates or other written statement issued therefor shall bear a like statement, together with the name of the original holder of the dissenting interest.