Section 2. The value of land classified under the provisions of this chapter shall be determined under section thirty-eight of chapter fifty-nine solely on the basis of its use. The board of assessors shall assess such land at valuations based upon the guidelines established under the provisions of chapter fifty-eight, but in no event shall such valuation exceed twenty-five per cent of its fair cash value as determined pursuant to chapter fifty-nine.

The rate of tax applicable to such recreational land shall be the rate determined to be applicable to class three, commercial property under chapter fifty-nine.