The PI is responsible for reviewing all project expenses including cost shared expenses and certifying that the costs are appropriate. The following certification statement appears in the eCertification system as is applicable for every sponsored project and cost sharing account:
As the principal investigator I confirm to the best of my knowledge that the salary and wages charged to this project are appropriate in relation to work performed on this project. All other costs charged to this project are, to the best of my knowledge, appropriate. Where required, corrections have been or will be made through the accounting system.