| 0 | Successful execution of the function. |
| 10000 | The process continuity routine must be called. |
| other positive value | Denied by authorizer. |
| -1 | Module not initialized. The POS tried to call some routine without first executing the configure function. |
| -2 | Operation canceled by operator. |
| -3 | The function / modality parameter is non-existent/invalid. |
| -4 | Lack of memory in the POS. |
| -5 | No communication with SiTef. |
| -6 | Operation canceled by user (on pinpad). |
| -7 | Reserved |
| -8 | CliSiTef does not have the necessary function implementation, it is probably outdated (CliSiTefI is more recent). |
| -9 | The automation called the routine ContinuaFuncaoSiTefInterativo without first starting an iterative function. |
| -10 | Some mandatory parameter was not passed by commercial automation. |
| -12 | Error executing the iterative routine. Probably the previous iterative process was not executed until the end (while the return is equal to 10000). |
| -13 | Tax document not found in CliSiTef records. Returned in query functions such as ObtemQuantidadeTransaçõesPendentes. |
| -15 | Operation canceled by commercial automation. |
| -20 | Invalid parameter passed to the function. |
| -21 | Used a prohibited word, for example PASSWORD, to collect open data on the pinpad. For example in the ObtemDadoPinpadDiretoEx function. |
| -25 | Banking Correspondent Error: Bloodletting must be carried out. |
| -30 | File access error. Make sure that the user running the application has read/write rights. |
| -40 | Transaction denied by SiTef server. |
| -41 | Invalid data. |
| -42 | Reserved |
| -43 | Problem executing any of the routines on the pinpad. |
| -50 | Unsecured transaction. |
| -100 | Internal module error. |
| other negative value | Errors detected internally by the routine. |