According to the provisions of Decree No. 70/2025/ND-CP, from June 1, 2025, business households and individuals doing business with an annual revenue of 1 billion VND or more; sellers using cash registers; cases where revenue can be determined when selling goods and services using electronic invoices with tax authority codes when selling goods and providing services; Business households and individual businesses with revenue and labor scale meeting the highest level of criteria for micro-enterprises... are required to use electronic invoices generated from cash registers connected to tax authorities... At the Conference, delegates were introduced and guided on the development of a set of electronic invoice solutions generated from cash registers, to help business households use them easily, quickly and effectively.