26 USC 5701 - Rate of tax

(a) Cigars 
On cigars, manufactured in or imported into the United States, there shall be imposed the following taxes:
(1) Small cigars 
On cigars, weighing not more than 3 pounds per thousand, $1.828 cents per thousand ($1.594 cents per thousand on cigars removed during 2000 or 2001);
(2) Large cigars 
On cigars weighing more than 3 pounds per thousand, a tax equal to 20.719 percent (18.063 percent on cigars removed during 2000 or 2001) of the price for which sold but not more than $48.75 per thousand ($42.50 per thousand on cigars removed during 2000 or 2001).

Cigars not exempt from tax under this chapter which are removed but not intended for sale shall be taxed at the same rate as similar cigars removed for sale.

(b) Cigarettes 
On cigarettes, manufactured in or imported into the United States, there shall be imposed the following taxes:
(1) Small cigarettes 
On cigarettes, weighing not more than 3 pounds per thousand, $19.50 per thousand ($17 per thousand on cigarettes removed during 2000 or 2001);
(2) Large cigarettes 
On cigarettes, weighing more than 3 pounds per thousand, $40.95 per thousand ($35.70 per thousand on cigarettes removed during 2000 or 2001); except that, if more than 61/2 inches in length, they shall be taxable at the rate prescribed for cigarettes weighing not more than 3 pounds per thousand, counting each 23/4 inches, or fraction thereof, of the length of each as one cigarette.
(c) Cigarette papers 
On cigarette papers, manufactured in or imported into the United States, there shall be imposed a tax of 1.22 cents (1.06 cents on cigarette papers removed during 2000 or 2001) for each 50 papers or fractional part thereof; except that, if cigarette papers measure more than 61/2 inches in length, they shall be taxable at the rate prescribed, counting each 23/4 inches, or fraction thereof, of the length of each as one cigarette paper.
(d) Cigarette tubes 
On cigarette tubes, manufactured in or imported into the United States, there shall be imposed a tax of 2.44 cents (2.13 cents on cigarette tubes removed during 2000 or 2001) for each 50 tubes or fractional part thereof, except that if cigarette tubes measure more than 61/2 inches in length, they shall be taxable at the rate prescribed, counting each 23/4 inches, or fraction thereof, of the length of each as one cigarette tube.
(e) Smokeless tobacco 
On smokeless tobacco, manufacturered[1] in or imported into the United States, there shall be imposed the following taxes:
(1) Snuff 
On snuff, 58.5 cents (51 cents on snuff removed during 2000 or 2001) per pound and a proportionate tax at the like rate on all fractional parts of a pound.
(2) Chewing tobacco 
On chewing tobacco, 19.5 cents (17 cents on chewing tobacco removed during 2000 or 2001) per pound and a proportionate tax at the like rate on all fractional parts of a pound.
(f) Pipe tobacco 
On pipe tobacco, manufactured in or imported into the United States, there shall be imposed a tax of $1.0969 cents (95.67 cents on pipe tobacco removed during 2000 or 2001) per pound (and a proportionate tax at the like rate on all fractional parts of a pound).
(g) Roll-your-own tobacco 
On roll-your-own tobacco, manufactured in or imported into the United States, there shall be imposed a tax of $1.0969 cents (95.67 cents on roll-your-own tobacco removed during 2000 or 2001) per pound (and a proportionate tax at the like rate on all fractional parts of a pound).
(h) Imported tobacco products and cigarette papers and tubes 
The taxes imposed by this section on tobacco products and cigarette papers and tubes imported into the United States shall be in addition to any import duties imposed on such articles, unless such import duties are imposed in lieu of internal revenue tax.
[1] So in original. Probably should be “manufactured”.