; and (B) in the case of a Federal Direct Refinanced Private Loan for a private education loan originally issued for graduate or professional degree postsecondary educational expenses, a rate equal to the lowest yield on the 10-year Treasury note in the preceding 6 months plus 3.6 percent. (2) Combined undergraduate and graduate study loans If a Federal Direct Refinanced Private Loan is for a private education loan originally issued for both undergraduate and graduate or professional postsecondary educational expenses, the interest rate shall be a lowest yield on the 10-year Treasury note in the preceding 6 months plus 4.6 percent. (3) Fixed Rate The applicable rate of interest determined under this subsection for a Federal Direct Refinanced Private Loan shall be fixed for the period of the loan. (d) No inclusion in aggregate limits The amount of a Federal Direct Refinanced Private Loan, or a Federal Direct Consolidated Loan to the extent such loan was used to repay a Federal Direct Refinanced Private Loan, shall not be included in calculating a borrower's annual or aggregate loan limits under section 428 or 428H. (e) No eligibility for service-Related repayment Notwithstanding sections 428K(a)(2)(A), 428L(b)(2), 455(m)(3)(A), and 460(b), a Federal Direct Refinanced Private Loan, or any Federal Direct Consolidation Loan to the extent such loan was used to repay a Federal Direct Refinanced Private Loan, shall not be eligible for any loan repayment or loan forgiveness program under section 428K, 428L, or 460 or for the repayment plan for public service employees under section 455(m). (f) Notification to borrowers The Secretary, in coordination with the Secretary of the Treasury and the Director of the Bureau of Consumer Financial Protection, shall undertake a campaign to alert borrowers about the availability of private student loan refinancing under this section. . (c) Amendments to public service repayment plan provisions Section 455(m) of the Higher Education Act of 1965 ( 20 U.S.C. 1087e(m) ) is amended— (1) by