; limitation on balance billing During such period, in order to be eligible to receive payments under this section, a qualified provider shall agree, with respect to applicable health care items and services furnished to an applicable individual when such individual is enrolled in a public or private health insurance plan— (A) not to impose any charge on the plan for such items and services beyond the amount otherwise payable by the plan; and (B) not to bill the applicable individual for any amounts in excess of the amount described in subparagraph (A). (5) Medical debt collection A qualified provider shall agree— (A) to immediately halt all medical debt collection, including collection activities carried out by third parties, during such period and shall not collect medical debt or have third parties collect medical debt for applicable health care items and services furnished during such period