Ref.01
| description: | Points of sale API description |
| File name: | PRD_SIS_NNN_POS API Description_[version] |
Ref.02
| description: | Developer's Guide |
| File name: | PRD_SIS_NNN_Developer's Guide_[version] |
Ref.03
An international standard covering the worldwide exchange and communication of date- and time-related data.
| File name: | https://en.wikipedia.org/wiki/ISO_8601 |
Ref.04
defines alpha codes and numeric codes for the representation of currencies and provides information about the relationships between individual currencies and their minor units
| File name: | https://en.wikipedia.org/wiki/ISO_4217 |
