The shaft of a hair consists of a cuticle and a cortex of hard-keratin surrounding, in many hairs, a soft-keratin medulla (fig. 4-2). Pigmented hairs contain melanin in the cortex and medulla, but pigment is absent from the surrounding sheaths.
General Instructions. Vermont business tax returns are due by the 15 th day of the 3 rd month following the close of the tax year. For calendar year filers, this date is March 15. If you cannot file on time, you can get a Vermont tax extension.
Personal income tax. Michigan's personal income tax rate dropped to 4.25% on Jan. 1, 2013. Michigan tax returns are due by April 15, or the next business day if that date falls on a weekend or holiday. Several cities also impose additional income taxes, meaning different forms must be filed in varying municipalities.