How COPA related to Excise duties in CIN

HI Gurus,

My client requirement is to add ECS and SEducess to existing pricing procedures, by doing this i add these to procedure(TAXINJ) and pricing procedures. Earlier they having only one condition type i.e JMOD(JEX2) by adding these two how will effect the business and is there any COPA issues will raise by getting these fields in existing pricing and tax procedures. Please let me know how this will effect in all angles of business. Provide solution very urgent to me. Thanks.