I need to do the following:

File is called: -rw-rw-r-- 1 eupuk eupuk 731015 19 Jul 15:11 COS0507R_071915114155.REP -------> has a time stamp value in it and runs every day

I need to grep out 3 lines that have words of "Multiple access number" as demonstrated in the following:

182 (172) Multiple access number are current at call time
MOC,NOT, 1253623297,000,000000000, 1253623297, 441584874200, ,00000,00000000
441584874200,00017,0000,0000,0000,2007_07_17 16:08:00,00000397, 0.000,00000000,00000000,0000

and then mail out the output