Goods and Services Tax (GST) payment is a crucial aspect of the taxation syste structure. GST replaces multiple indirect taxes levied by the state and central governments, thereby creating a unified tax regime. This system ensures that taxes are levied at each stage of the supply chain, allowing for the seamless flow of input tax credit while eliminating the cascading effect of taxes. gst and hst payment dates gst-hst netfile gst phone number canada hst gst credit