Layer 2 – Control in the “Three Layers of Defense” Cost Management Model ©
Includes activities to establish specific regulations to clarify the separation of powers in approval/adjustment. Monitor violations against regulations
January 15, 2026
5 Standard Explanation Letter Templates for Risk Invoices (Download and Use Now)
In the context of tax authorities increasingly tightening invoice management through a centralized data system, many businesses...
January 13, 2026
Deductible expenses for corporate income tax: Conditions, documentation, and actual list (Updated 2026)
Unlike expenses that are not deductible when calculating corporate income tax, the more standardized businesses become in terms of deductible expenses when calculating corporate income tax...
January 13, 2026
What are expenses that are not deductible when calculating corporate income tax? 37 excluded expenses, examples, and how to handle them during tax settlement.
Expenses that are not deductible when calculating corporate income tax in 2025 are those expenses actually incurred but which do not meet the following criteria...