GSTR-1
Definition
A monthly or quarterly return filed by registered dealers reporting all outward supplies (sales). Must be filed by the 11th of the following month. HelloBooks exports GSTR-1 data directly from your invoices.
Related Terms in India GST
GSTR-3B
A monthly self-declaration return summarizing outward supplies, input tax credit claimed, and net tax payable. Filed by the 20th of the following month. HelloBooks generates GSTR-3B summaries from your transaction data.
Input Tax Credit (ITC)
The GST paid on business purchases that can be offset against GST collected on sales. Reduces your net GST liability. ITC is only available if the supplier has filed their return and the invoice is valid.
HSN Code
Harmonized System of Nomenclature — a 4-8 digit code classifying goods for GST purposes. Required on GST invoices based on annual turnover. HelloBooks includes a searchable HSN code database.
SAC Code
Service Accounting Code — a 6-digit code classifying services under GST (similar to HSN for goods). Required on service invoices. Example: 998311 for management consulting.
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