There is some specialized terminology associated with Postme. To get started, you should at least know what we mean by this terms.
A CCO (Company Chief Officer) contract link a user and its company. It attests that the user is a company’s officer.
A CBS (Company Billing System) contract link an application (your billing system) to the company. A CCO contract is required to create a CBS contract into Postchain.
A CBST (Company Billing System Third) contract link an application to third companies. A CCO contract is required to create a CBST contract into Postchain.