(1) If an individual fails to begin or complete the obligated service in accordance with the requirements of paragraphs (a) through (f) of this section, that individual is obligated to repay the United States an amount equal to three times the cost of the award (including stipends and other trainee allowances) plus interest on that amount calculated for the total period since the trainee failed to perform the obligated service at the rate set by the Secretary of the Treasury for National Research Service Awards prevailing on the date on which the period of appointment begins, multiplied, in any case in which the service that was required has been performed in part, by the percentage which the length of service that was not performed is to the length of the service that was required to be performed. The amount will be determined under the following formula:View Image
where
A = the amount the United States is entitled to recover;
[THETA] = the cost of the clinical traineeship (including stipends and other trainee allowances);
m = the number of months since the trainee failed to perform obligated service;
i = the National Research Service Award rate on the date which the period of appointment begins divided by twelve;
t = the total number of months of the service obligation;
s = the number of months that have been served.