Taxation Zakat 12 Islam 9 Religious aspects 8 Taxation (Islamic law) 8 Charities 6 Agriculture 5 Income tax 5 Sales tax 4 Service industries 4 Tax administration and procedure 4 Attitudes 3 Corporations 3 Economic conditions 3 Information technology 3 Law and legislation 3 Management 3 Public opinion 3 Tax returns 3 Value-added tax 3 Electronic filing systems 2 Mathematical models 2 Real estate investment 2 Social aspects 2 Automation 1 Automobile industry and trade 1 Automobiles 1 Bank loans 1 Business planning 1 Capital flight tax 1