Dear P’Sri,
We have found that there was a code which the price overcharged for QR during 1Feb-31Mar’13. This was from the price changed for 12 codes (3codes each cycle) effective from 1Feb’13 (cycle 1, Jan-Mar) but there was a code for cycle 1 (Jan-Mar) that not shown the correct price during 1Feb-31Mar’13.
Total CN need to be issued is THB1,500 according to the summary attached.
Kindly issue CN please, thank you for your kind support always.