I checked the files and found out that they are not compatible with HSBC krub. I think that normally PISWIN system has a capability to generate file in "MRI" format which is acceptable for HSBC. The MRI file structure and sample payroll MRI file are provided in attachment below krub.
Therefore, could you pass these files to your PISWIN vendor in order for them to see if the system is capable of produce this MRI file krub? I will help to discuss file format directly with the vendor krub.
Thank you krub.