Summary of Key Points Core Viewpoint - The article discusses the tax policies related to business travel expenses, specifically focusing on the deductibility of travel costs such as transportation, accommodation, and meal allowances for employees on business trips. Group 1: Transportation Costs - Air travel expenses can be deducted if the taxpayer obtains a valid VAT electronic invoice or a paper ticket with passenger identity information [4][5] - For railway travel, the input tax can be calculated based on the ticket price and fuel surcharge, with specific rules for electronic invoices coming into effect from October 1, 2025 [4][6] - Road and waterway transportation costs are deductible if the taxpayer has a valid VAT invoice, with specific calculations for input tax based on ticket prices [8][9] Group 2: Accommodation Costs - Accommodation expenses are generally deductible if the taxpayer obtains a VAT special invoice or a VAT electronic ordinary invoice, with specific conditions for different types of accommodation [7][8] Group 3: Other Travel-Related Costs - Road tolls can be deducted based on the VAT electronic invoice amount, with specific calculations for bridge and lock tolls [9] - Long-distance bus tickets without passenger identity information are not allowed as tax deduction documents [8]