FormAl writtEn CommuniCAtion is mAnDAtED For whiCh oF thE Following?
A. sCopE ChAngEs not pArt oF thE originAl projECt
B. tAking ExCEption to A spECiFiCAtion
C. proCurEmEnt oF rAw mAtEriAls
D. All oF thE ABovE.
E. A AnD B only