Invoice data are submitted to IRAS differently depending on whether the supplier and customer are connected to the InvoiceNow network. 


There are four main types of invoice data submissions: 

Submission Type 

Description 

Submission Method 

Type 1A 

Supply transaction made within the InvoiceNow network 

Peppol / InvoiceNow 

Type 1B 

Corresponding purchase transaction received within the InvoiceNow network 

Solution-extracted 

Type 2 

Supply transaction made outside the InvoiceNow network 

Solution-extracted 

Type 3 

Purchase transaction made outside the InvoiceNow network 

Solution-extracted 


For the Million Accounting System, Type 2 and Type 3 are further separated according to the transaction method.