Any person who provides health care and who waives the deductible or co - payment for more than one - fourth of his patients during any calendar year, excluding waivers under § 58-17-58 , or who advertises that he will accept from any third - party payor, as payment in full for services rendered, the amount the third - party payor covers, is presumed to be waiving the deductible or co - payment as a regular business practice. Source: SL 1989, ch 429 , § 3.