(a)
In recommending the purchase or replacement of any Medicare supplement coverage, an issuer or its representative shall make reasonable efforts to determine the appropriateness of a recommended purchase or replacement.(b)
Any sale of a Medicare supplement contract that will provide an individual more than one Medicare supplement policy or certificate, or contract, is prohibited.(c)
An issuer shall not issue a Medicare supplement contract to an individual enrolled in Medicare Part C unless the effective date of the coverage is after the termination date of the individual’s coverage under Medicare Part C.
Source:
Section 1358.21, https://leginfo.legislature.ca.gov/faces/codes_displaySection.xhtml?lawCode=HSC§ionNum=1358.21..