6 6 - 1 ▁alpha - 2 ▁code ▁of ▁Sen eg al . ▁The ▁second ▁part ▁is ▁two ▁letters . ▁ ▁Current ▁codes ▁Sub div ision ▁names ▁are ▁listed ▁as ▁in ▁the ▁ISO ▁ 3 1 6 6 - 2 ▁standard ▁published ▁by ▁the ▁ISO ▁ 3 1 6 6 ▁Main ten ance ▁Agency ▁( ISO ▁ 3 1 6 6 / MA ). ▁ ▁Click ▁on ▁the ▁button ▁in ▁the ▁header ▁to ▁sort ▁each ▁column . ▁ ▁Ch anges ▁The ▁following ▁changes ▁to ▁the ▁entry ▁have ▁been ▁announced ▁in ▁news let ters ▁by ▁the ▁ISO ▁ 3 1 6 6 / MA ▁since ▁the ▁first ▁publication ▁of ▁ISO ▁ 3 1 6 6 - 2 ▁in ▁ 1 9 9 8 : ▁ ▁See ▁also ▁ ▁Sub div isions ▁of ▁Sen eg al ▁ ▁F IP S ▁region ▁codes ▁of ▁Sen eg al ▁ ▁External ▁links ▁ ▁ISO ▁Online ▁Brow sing ▁Platform : ▁SN ▁ ▁Reg ions ▁of ▁Sen eg al , ▁Stato ids . com ▁▁ 2 : SN ▁* ISO ▁ 3 1 6 6 - 2 ▁Category : S en eg al ▁ge ography - related ▁lists <0x0A> </s> ▁" The ▁Princi pal ▁and ▁the ▁P au per " ▁is ▁the ▁second ▁episode ▁of ▁The ▁Sim ps ons ' ▁nin th ▁season . ▁It ▁first ▁a ired ▁on ▁the ▁Fox ▁network ▁in ▁the ▁United ▁States ▁on ▁September ▁ 2 8 , ▁ 1 9 9 7 . ▁In ▁the ▁episode , ▁Se ym our ▁Sk inner ▁begins ▁to ▁celebr