job. (iii) In the case of a borrower who completes 6 years of employment in a public service job, 20 percent of the total amount due on the eligible Federal Direct Loan on the date the borrower commenced employment in such public service job. (iv) In the case of a borrower who completes 8 years of employment in a public service job, 20 percent of the total amount due on the eligible Federal Direct Loan on the date the borrower commenced employment in such public service job. (v) In the case of a borrower who completes 10 years of employment in a public service job, the amount remaining of the total amount due on the eligible Federal Direct Loan on the date the borrower commenced employment in such public service job. (E) Interest canceled If a portion of a loan is canceled under this paragraph for a period of employment in a public service job, the entire amount of interest on such loan that accrued during such period shall be canceled. (F) Employment certification form In order to receive loan cancellation under this paragraph, a borrower shall submit to the Secretary an employment certification form that is developed by the Secretary and includes self-certification of employment and a separate part for employer certification that indicates the dates of employment. .