TMI BlogIndependent Personal ServicesX X X X Extracts X X X X X X X X Extracts X X X X ..... ng State from the performance of professional services or other independent activities of a similar character shall be taxable only in that State except in the following circumstances when such income ..... X X X X Extracts X X X X X X X X Extracts X X X X ..... g in the aggregate 91 days in any period of twelve months; in that case, only so much of the income as is derived from his activities performed in that other State may be taxed in that other State. 2 ..... X X X X Extracts X X X X X X X X Extracts X X X X
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