(a) No insurer providing insurance coverage, as defined in subsection (b) of Section 143.13 of this Code, shall nonrenew or cancel an insurance policy on a day care home or group day care home, as defined in the Child Care Act of 1969, solely on the basis that the insured operates a duly licensed day care home or group day care home on the insured premises.
     (b) An insurer providing such insurance coverage to a licensed day care home or licensed group day care home may provide such coverage with a separate policy or endorsement to a policy of fire and extended coverage insurance, as defined in subsection (b) of Section 143.13.
     (c) Notwithstanding subsections (a) and (b) of this Section, the insurer providing such coverage shall be allowed to cancel or nonrenew an insurance policy on a day care home or group day care home based upon the authority provided under Sections 143.21 and 143.21.1 of this Code.