Normally promotional material is generated automatic by system which depend on generic/brand name ka.
The principle for ePMA system to generate code is
- TH.CLO.16.09(02)
TH = country
CLO = 3 first alphabet of generic name, this is
Clopidogrel (Plavix)
16 = year 2016
09 = month September
(02) = number of promotional materail which be breated on that month; this means the second piece of plavix promotional material in sep-2016
Anyhow, if you have question, you can ask K.Winai or K. Jirapha ka.