Some common deductible business expenses include:

1. Business travel expenses: This includes fuel costs, vehicle expenses, public transportation, taxis, and airplane tickets directly related to business activities.
   
   

2. Office and business space expenses: This includes rental costs of an office or business space, energy costs, maintenance costs, insurance, and local taxes.
   
   

3. Business telecommunications and internet costs: Consider costs for mobile
   phone subscriptions, fixed phone lines, internet connection, and business software.
   
   

4. Marketing and advertising costs: This includes costs for advertising, online ads, printing, website development, and other marketing activities to promote your business.
   
   

5. Professional services: This includes costs for external consultants, accountants, attorneys, and other professionals you hire for business purposes.
   
   

6. Education and training costs: This includes costs for business education, courses, and training you pursue to improve your knowledge and skills in your field.

It is important to mention that the specific rules and limitations for deductible expenses may vary depending on your business structure and the nature of the expenses. It is advisable to contact a tax advisor or the Tax Administration for specific information and advice regarding deductible business expenses in your particular situation. They can provide you with detailed and up-to-date information relevant to your business and the costs in question.