2 CFR §910.352

For For-Profit Entities, the Cost Principles contained in 48 CFR 31.2 (Contracts with Commercial Organizations) must be followed in lieu of the Cost principles contained in 2 CFR 200.400 through 200.476, except that patent prosecution costs are not allowable unless specifically authorized in the award document. This applies to For-Profit entities whether they are recipients or subrecipients.