La. R.S. 22:1260.35

If the qualified health plan issuer seeks to recoup or otherwise recover payments made to the physician or other healthcare provider for services furnished to an enrollee during the grace period and that enrollee's coverage is subsequently cancelled for nonpayment of premium, the qualified health plan issuer shall commence such recovery or recoupment efforts no later than sixty days after the expiration of the grace period. Any attempts to recover payments that are commenced subsequent to this sixty-day period shall be null and void.