Before debarring an IPA, the OIG shall provide the IPA with a hearing in accordance with the procedures set out in §§1641.7 through 1641.9. Such hearing shall be held entirely by written submissions, except:

(a) Additional proceedings shall be held under §1641.10 if the debarring official finds there is a genuine dispute of material fact; and/or

(b) A meeting may be held under §1641.9(c).