mastercard incorporated notes to consolidated financial statements 2014 ( continued ) ( in thousands , except percent and per share data ) on june 24 , 2008 , mastercard entered into a settlement agreement ( the 201camerican express settlement 201d ) with american express company ( 201camerican express 201d ) relating to the u.s . federal antitrust litigation between mastercard and american express . the american express settlement ended all existing litigation between mastercard and american express . under the terms of the american express settlement , mastercard is obligated to make 12 quarterly payments of up to $ 150000 per quarter beginning in the third quarter of 2008 . mastercard 2019s maximum nominal payments will total $ 1800000 . the amount of each quarterly payment is contingent on the performance of american express 2019s u.s . global network services business . the quarterly payments will be in an amount equal to 15% ( 15 % ) of american express 2019s u.s . global network services billings during the quarter , up to a maximum of $ 150000 per quarter . if , however , the payment for any quarter is less than $ 150000 , the maximum payment for subsequent quarters will be increased by the difference between $ 150000 and the lesser amount that was paid in any quarter in which there was a shortfall . mastercard assumes american express will achieve these financial hurdles . mastercard recorded the present value of $ 1800000 , at a 5.75% ( 5.75 % ) discount rate , or $ 1649345 for the year ended december 31 , 2008 . in 2003 , mastercard entered into a settlement agreement ( the 201cu.s . merchant lawsuit settlement 201d ) related to the u.s . merchant lawsuit described under the caption 201cu.s . merchant and consumer litigations 201d in note 20 ( legal and regulatory proceedings ) and contract disputes with certain customers . under the terms of the u.s . merchant lawsuit settlement , the company was required to pay $ 125000 in 2003 and $ 100000 annually each december from 2004 through 2012 . in addition , in 2003 , several other lawsuits were initiated by merchants who opted not to participate in the plaintiff class in the u.s . merchant lawsuit . the 201copt-out 201d merchant lawsuits were not covered by the terms of the u.s . merchant lawsuit settlement and all have been individually settled . we recorded liabilities for certain litigation settlements in prior periods . total liabilities for litigation settlements changed from december 31 , 2006 , as follows: .

1	balance as of december 31 2006	$ 476915
2	provision for litigation settlements ( note 20 )	3400
3	interest accretion on u.s . merchant lawsuit	38046
4	payments	-113925 ( 113925 )
5	balance as of december 31 2007	404436
6	provision for discover settlement	862500
7	provision for american express settlement	1649345
8	provision for other litigation settlements	6000
9	interest accretion on u.s . merchant lawsuit settlement	32879
10	interest accretion on american express settlement	44300
11	payments on american express settlement	-300000 ( 300000 )
12	payments on discover settlement	-862500 ( 862500 )
13	payment on u.s . merchant lawsuit settlement	-100000 ( 100000 )
14	other payments and accretion	-662 ( 662 )
15	balance as of december 31 2008	$ 1736298

see note 20 ( legal and regulatory proceedings ) for additional discussion regarding the company 2019s legal proceedings. .

Question: what is the percentage change in total liabilities for litigation settlements from 2006 to 2007?
Answer: -0.15197