Core Viewpoint - Starting from October 1, 2023, China's civil aviation and railway sectors will fully implement electronic invoicing, marking a significant shift towards digitalization and efficiency in ticketing and invoicing processes [1][2]. Group 1: Implementation of Electronic Invoicing - The railway and civil aviation sectors will no longer provide paper invoices, transitioning to electronic invoices and electronic travel itineraries for domestic passenger transport [2][3]. - Passengers can request electronic invoices within 180 days after their journey through various channels, including online platforms and ticket counters, ensuring accessibility for all demographics [2][3]. Group 2: Historical Context and Future Plans - The transition to electronic invoicing follows the implementation of electronic tickets in the railway sector in June 2020, with a full rollout of electronic invoices planned for November 2024 [3]. - The civil aviation sector will also adopt electronic travel itineraries by December 2024, with a transitional period allowing both electronic and paper formats until September 2025 [3]. Group 3: Economic Impact - The widespread adoption of electronic invoicing is expected to reduce the printing of approximately 30 billion paper invoices annually, saving businesses over 100 billion yuan in costs related to invoicing and mailing [1][4]. - The tax authorities emphasize the importance of electronic invoicing in enhancing taxpayer experience and contributing to national tax revenue [4][5].