I've indexed certain *.txt files using ACIF with the following parms. It didn't have a CC in column 1 so we had to find something else but if yours does it would be an easy change. It was largely trial and error getting it to work but I'm thinking you should be able to get it working.
CC=NO
CCTYPE=Z
CONVERT=NO
CPGID=850
MCF2REF=CPCS
LINECNT=80
TRC=NO
FILEFORMAT=STREAM,(NEWLINE=X'0D0A')
TRIGGER1=*,1,X'4F6E',(TYPE=GROUP) /* On */
FIELD1=0,1,15,(TRIGGER=1,BASE=0)
FIELD2=0,18,10,(TRIGGER=1,BASE=0)
INDEX1=X'5265706F72745F5469746C65',FIELD1,(TYPE=GROUP,BREAK=NO) /* Report_Title */
INDEX2=X'5265706F72745F44617465',FIELD2,(TYPE=GROUP,BREAK=YES) /* Report_Date */
DCFPAGENAMES=NO
UNIQUEBNGS=YES
GROUPMAXPAGES=1
IMAGEOUT=ASIS
INDEXOBJ=ALL
INDEXSTARTBY=1
INSERTIMM=NO
RESTYPE=NONE