MI HB6003

Prohibits insurers from rejecting or failing to pay personal protection insurance claims solely because the claimant did not submit proof of loss using the insurer's preferred format or form.

Requires personal protection insurance benefits to be paid within 30 days after an insurer receives reasonable proof of loss, or within 60 days if the bill for services is provided more than 90 days after service delivery.

Establishes that partial payments are due within 30 days for the amount supported by reasonable proof, with remaining claim portions due within 30 days of receiving additional proof.

Imposes simple interest at 12% per annum on overdue payments.

Applies to no-fault personal protection insurance benefits under the Insurance Code of 1956.