business to administration (B2A)
In electronic commerce and electronic business, the participants are systematized into groups. Thus, there are the groups of companies (Business), customers (Consumer) or consumers (Customer), employees (Employees), applications (Application) or public administration (Administration).
Depending on who interacts with whom by means of electronic media, the acronyms A2A, A2B, A2C or B2A, B2B, B2C, etc. are used.
Business to Administration (B2A) is Internet-based communication between companies and government agencies, which include tax offices, residents' registration offices, customs and many others.
E-commerce of public authorities includes the sale of municipal products and fee-based services, which are electronically retrieved and legally signed.