As per the GST laws in India, you cannot issue a GST invoice before obtaining GST registration. GST registration is a mandatory requirement for businesses to collect and remit GST on their taxable supplies. Only registered businesses are authorized to charge and collect GST from their customers.
Once you have obtained GST registration and have been issued a GSTIN (Goods and Services Tax Identification Number), you can start issuing GST-compliant invoices for your taxable supplies. A GST-compliant invoice should contain specific details, such as your GSTIN, the GSTIN of the recipient, the applicable GST rates, and other required information as per the GST laws.
Issuing a GST invoice without having valid GST registration is considered a violation of the GST laws and can result in penalties, fines, and other legal consequences. Therefore, it is important to ensure that you have obtained GST registration before issuing any GST invoices for your business transactions to comply with the GST regulations in India.