The Department of Infrastructure is asking for views on four Sundays being used for racing during TT and Manx Grand Prix next year.
It says it's considering allowing racing on Sunday, May 31 and Sunday, June 7 during the TT fortnight.
And it says it's also considering Sunday, August 16 and Sunday, August 23 to be used during MGP.
It says anybody wishing to make their views known can email tro@gov.im by Tuesday, December 9.
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