Prohibition of new claims.

For taxable years beginning after December 31, 2009, no new claims for a credit may be filed under ss. 71.57 to 71.61, but if an otherwise eligible claimant is subject to a farmland preservation agreement, as defined in s. 91.01 (7), 2007 stats., that is in effect on July 1, 2010, the claimant may continue to file a claim for the credit under ss. 71.57 to 71.61 until the farmland preservation agreement expires, except that no claimant who files a claim under ss. 71.57 to 71.61 may file a claim under s. 71.613.