the Secretary. (ii) Deferment If a borrower submits to the Secretary the employment certification form described in clause (i), during the period in which the borrower is employed in a public service job for which loan cancellation is eligible under this paragraph, the borrower's eligible Federal Direct Loan shall be placed in deferment. (D) Interest canceled If a portion of a loan is canceled under this paragraph for any year, the entire amount of interest on such loan that accrues for such year shall be canceled. (E) No retroactivity A borrower may not receive credit for purposes of loan forgiveness under this paragraph for years of employment in a public service job that occurred before the date of enactment of the Strengthening American Communities Act of 2018 . (F) Leaving public service (i) In general If a borrower who receives loan cancellation under this paragraph leaves the public service job, either voluntarily or involuntarily, for which the borrower received loan cancellation before the total amount due on the eligible Federal Direct Loan is cancelled under this paragraph, such borrower shall retain eligibility for accelerated loan cancellation under this paragraph for such eligible Federal Direct Loan if the borrower commences employment in a public service job not later than 3 years after the date the borrower left the public service job for which the borrower received loan cancellation. (ii) Eligibility status If a borrower described in clause (i) commences employment in a public service job within the time period described in clause (i), such borrower shall resume eligibility for accelerated loan cancellation under this paragraph for such eligible Federal Direct Loan. Such borrower upon resumption of eligibility shall be considered to have completed the number of years of employment in a public service job at the last completed loan cancellation period described in subparagraph (B) for such borrower, even if the borrower had actually completed an additional year of employment in a public service