An individual commencing a voluntary case or a joint case under title 11 may pay such fee in installments. For converting, on request of the debtor, a case under chapter 7, or 13 of title
11, to a case under chapter
11 of title
11, the debtor shall pay to the clerk of the district court or the clerk of the bankruptcy court, if one has been certified pursuant to section
156
(b) of this title, a fee of the amount equal to the difference between the fee specified in paragraph (3) and the fee specified in paragraph (1).