When the contracting public entity accepts, under the conditions provided for in Article L. 313-29-1 or Article L. 513-14, one or more assignments of receivables, each of which relates to all or part of the remuneration due in respect of the investment costs and financing costs referred to in the same Articles L. 313-29-1 or L. 513-14, the total commitment of the public entity in respect of this or these acceptance(s) may not exceed 80% of the remuneration due in respect of the investment costs and financing costs defined above.