Customs tax contradictions and its effect on economic projects in Egypt from the economic and accounting aspects First stage problems for applying general sales tax in Egypt and suggestions of its treatment. Critical view of tax on profits of Monies Companies under laws No. 187 Customs tax in Egypt as one of investment obstacles Using ISO patterns of quality qualifications in the areas of reducing the cost is an essential matter for the agreement of World Trade Organization. Analyzing the effect of modern trends for measuring income on specifying the tax base within the frame of the law of tax on income in Egypt Study for the problems and fundamentals of applying tax on income and its effect on the auditors responsibility for approving tax statements. The effect of Egyptian Accounting Standard and law of tax on income on the structure of tax examination Analytical comparative study for the expected difficulties for applying tax on built real-estates within the frame of Egyptian Accounting Standard. The accounting and tax problems resulting from applying general tax on sales and the methods of treatment within the frame of accounting standard and directing towards the application of tax تحليل لاثر الاتجاهات الحديثة فى قياس الدخل على تحديد الوعاء الضريبى فى اطار قانون الضريبه على الدخل فى مصر دراسه لمشاكل و مقومات التطبيق للضريبه على الدخل و أثرها على مسئوليه المراجع فى اعتماد الاقرار الضريبى اثر معايير المحاسبه المصريه و قانون الضريبه على الدخل على هيكل الفحص الضريبى دراسه تحليليه مقارنه للصعوبات المتوقعه لتطبيق الضريبه على العقارات المبنيه فى اطار معايير المحاسبه المصريه المشكلات المحاسبيه و الضريبيه الناتجه عن تطبيق الضريبه العامه على المبيعات و اساليب المعالجه فى اطار المعايير المحاسبيه و التوجه الى تطبيق الضريبه على القيمه المضافه تطـوير الضـريبـة على الـدخـل في ضوء التشريعات الضريبية المقارنة