▁Re venue ▁Service ▁is ▁not ▁mentioned ▁in ▁the ▁stat utes ▁ ▁Some ▁tax ▁protest ers ▁claim ▁that ▁the ▁In ternal ▁Re venue ▁Service ▁is ▁not ▁mentioned ▁in ▁the ▁stat utes . ▁Im pr ison ed ▁tax ▁protest er ▁Ir win ▁Schiff ▁has ▁cont ended ▁that ▁the ▁In ternal ▁Re venue ▁Service ▁is ▁not ▁mentioned ▁in ▁Sub title ▁A ▁( the ▁sub title ▁dealing ▁specifically ▁with ▁income ▁tax ) ▁of ▁the ▁In ternal ▁Re venue ▁Code . ▁ ▁The ▁" Internal ▁Re venue ▁Service " ▁is , ▁however , ▁mentioned ▁in ▁many ▁stat utes . ▁For ▁example , ▁the ▁" Internal ▁Re venue ▁Service " ▁is ▁mentioned ▁in ▁Sub title ▁A ▁of ▁the ▁In ternal ▁Re venue ▁Code ▁( see , ▁e . g ., ▁; ▁; ▁; ▁; ▁and ▁). ▁Over all , ▁the ▁In ternal ▁Re venue ▁Code ▁contains ▁at ▁least ▁ 2 0 0 ▁specific ▁references ▁to ▁" Internal ▁Re venue ▁Service " ▁( including ▁references ▁in ▁head ings ▁of ▁sections , ▁sub sections , ▁etc .). ▁Many ▁In ternal ▁Re venue ▁Code ▁sections ▁contain ▁multiple ▁references ▁to ▁" Internal ▁Re venue ▁Service " ▁( for ▁example , ▁four teen ▁mentions ▁in ▁, ▁ten ▁mentions ▁in ▁, ▁eigh teen ▁mentions ▁in ▁, ▁and ▁thirty - six ▁separate ▁mentions ▁in ▁). ▁ ▁At ▁least ▁nin ete en ▁references ▁to ▁" Internal ▁Re venue ▁Service " ▁are ▁found ▁in ▁titles ▁ 2 , ▁ 5 , ▁ 1 2 , ▁ 2 3 , ▁ 3 1 , ▁and ▁ 4 2 ▁of