The Chart of Accounts is a structural and core discussion topic in Finance. S4 HANA Cloud offers customers with 2 options, adopt the standard CoA or mapping. The topic can be vast on the options and boundaries.  How to decide on standard or mapping?  Advantages and disadvantages of the options? Does the CoA cover country-specific requirements? There is any limitation on the number of accounts that customer can have it? How does Treasury, Leasing and Contract Accounting are managed as these solutions require additional accounts?