42 C.F.R. § 512.452
(a) General.
(1) The IOTA participant—
(3) The IOTA participant must develop, maintain, and use a set of written policies for selecting providers and suppliers to be IOTA collaborators.
(ii) The selection criteria cannot be based directly or indirectly on the volume or value of referrals or business otherwise generated by, between or among any of the following:
(4) The board or other governing body of the IOTA participant must have responsibility for overseeing the IOTA participant's participation in the IOTA Model, including but not limited to all of the following:
(b) Requirements.
(1) A sharing arrangement must be—
(4) The sharing arrangement—
(5) The sharing arrangement must require the IOTA collaborator and its employees, contractors (including collaboration agents), and subcontractors to comply with all of the following:
(8) The written agreement memorializing a sharing arrangement must specify all of the following:
(v) The financial or economic terms for payment, including all of the following:
(9) The sharing arrangement must not—
(i) Induce—
(c) Gainsharing payments and alignment payments.
(1) Gainsharing payments, if any, must meet all of the following:
(3) To be eligible to receive a gainsharing payment, or to be required to make an alignment payment:
(ii) An IOTA collaborator that is a PGP, NPPGP, or TGP must meet the following criteria:
(11) Alignment payments from an IOTA collaborator to an IOTA participant may be made at any interval that is agreed upon by both parties, and must not be—
(d) Documentation requirements.
(1) The IOTA participant must do all of the following:
(ii) Maintain accurate current and historical lists of all IOTA collaborators, including IOTA collaborator names and addresses. With respect to these lists the IOTA participant must—
(B) On a web page on the IOTA participant's website, the IOTA participant must—
(1) Publicly report the current and historical lists of IOTA collaborators; and
(2) Include any written policies for selecting individuals and entities to be IOTA collaborators required by the IOTA participant.
(iii) Maintain and require each IOTA collaborator to maintain contemporaneous documentation with respect to the payment or receipt of any gainsharing payment or alignment payment that includes at a minimum all of the following:
(2) The IOTA participant must keep records of all of the following: