The total sum of state and local income taxes, real estate taxes, and personal property taxes (such as car registration fees) up to $10,000, or $5,000 if you're married and file a separate return. You can substitute sales taxes you paid for income taxes if this is more beneficial for you, but you cannot include both sales and income taxes—you must choose one or the other.

Generally accepted accounting principles (GAAP) are accounting standards issued by national regulatory bodies. In addition, the International Accounting Standards Board (IASB) issues the International Financial Reporting Standards (IFRS) implemented by 147 countries.[1] While standards for international audit and assurance, ethics, education, and public sector accounting are all set by independent standard settings boards supported by IFAC. The International Auditing and Assurance Standards Board sets international standards for auditing, assurance, and quality control; the International Ethics Standards Board for Accountants (IESBA) [50] sets the internationally appropriate principles- based Code of Ethics for Professional Accounts the International Accounting Education Standards Board (IAESB) sets professional accounting education standards;[51] International Public Sector Accounting Standards Board (IPSASB) sets accrual-based international public sector accounting standards [52]
Empirical studies document that leading accounting journals publish in total fewer research articles than comparable journals in economics and other business disciplines,[68] and consequently, accounting scholars[69] are relatively less successful in academic publishing than their business school peers.[70] Due to different publication rates between accounting and other business disciplines, a recent study based on academic author rankings concludes that the competitive value of a single publication in a top-ranked journal is highest in accounting and lowest in marketing.[71]
Accounting is the process of recording financial transactions pertaining to a business. The accounting process includes summarizing, analyzing and reporting these transactions to oversight agencies, regulators and tax collection entities. The financial statements used in accounting are a concise summary of financial transactions over an accounting period, summarizing a company's operations, financial position and cash flows. 
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