Any House Officer may substitute up to two (2) alternative days of his/her choice for any of the previously defined House Officer holidays within any twelve (12) month appointment period so long as the substitution request is made sixty (60) calendar days prior to the holiday. These substitutions will be mutually agreeable to the House Officer and his/her Program Director. That House Officer will be eligible for holiday pay if he/she has any assigned responsibilities by their training program on those agreed-upon substitute dates.