Business Activity Statement Reporting: Australia, Czech Republic, Netherlands, Portugal, and Slovakia 
Business activity statement (BAS) reporting is used by businesses in different countries for various purposes, as follows:
In Australia, businesses use BAS reporting to declare their goods and services tax (GST), pay as you go (PAYG), and fringe benefits tax (FBT) obligations to the tax authorities.
In Czech Republic, the Netherlands, Portugal, and Slovakia, BAS reporting is used to declare all kinds of transactions that are subject to value added tax (VAT) to the tax authorities.
Usually, BAS reporting is done on a monthly, quarterly, or annual basis. However, it is also possible to report transactions, the dates of which are beyond the range of the reported month, quarter, or year.
Performing your business activity statement reporting with SAP Business One involves the steps outlined in the graphic below.
Process
Business Activity Statement Reporting Process Flow
Prerequisites
Initializing the BAS Reporting Function
To initialize the BAS reporting function, you have done the following:
You have selected the Extended Tax Reporting checkbox in
Administration 
System Initialization Company Details Accounting Data
.You have defined the period type for BAS reporting at the same location.
You have defined the declaration location for BAS reporting at the same location.
NoteThe declaration location is relevant to the Portugal localization only.
End of the note.
Defining Country-Specific Information for BAS Reporting
Note
This topic is relevant to Czech Republic, the Netherlands, Portugal, and Slovakia localizations only.
To create electronic files of BAS reports, you have defined the country-specific information for the respective localization as follows:
In the Czech Republic, the Netherlands, and Slovakia localizations, you have done the following:
On the Path tab of the General Settings window, you have defined the path where the electronic BAS report file is saved in the XML File Folder field. To access the tab, choose
Administration System Initialization General Settings Path .On the Electronic Tax Reporting tab of the Company Details window, you have specified the report-related information. To access the tab, choose
Administration System
Initialization Company Details Electronic Tax Reporting .
In the Portugal localization, you have defined the report-related file paths on the DEFIR Path tab of the General Settings window. To access the tab, choose
Administration
System Initialization General Settings .