(2)(ii)(1)(i) The contracting officer shall use the letter "K" in the second position of the supplementary PII number for PIOs unless separately identified below: DFARS 204.1603

L -- AFSC/Tinker

M -- AFSC/Hill OL

Q -- AFSC/Robins OL

(2)(ii)(1)(iii) Procurements which are completely administered by the purchasing office should use normal modification numbering procedures for amended shipping instructions (ASIs). All other procurements should use the letter "T" in the second position of the supplementary PII number for ASIs unless separately identified below: DFARS 204.1603

U-- AFSC/Tinker

V-- AFSC/Hill OL

Y-- AFSC/Robins OL