Few people enjoy knowing that the end of the year brings about the requirement to prepare their annual tax returns. For those who are self-employed, there is an additional burden of making sure that they are claiming only valid business expenses. The Internal Revenue Service states "To be deductible, a business expense must be both ordinary and necessary. An ordinary expense is one that is common and accepted in your trade or business. A necessary expense is one that is helpful and appropriate for your trade or business. An expense does not have to be indispensable to be considered necessary."
Ordinary business expenses
Specific businesses require certain items in order to provide the services that their client requests or expects from them. For example, a writer may require dictionaries, grammar checking software and plagiarism software. It is highly unlikely that a manufacturing company would require these items.
Ordinary business expenses are classified as expenses that are incurred in obtaining and maintaining the needed equipment, software and tools that one could reasonably expect to need for their day to day work. Continuing with the theory that one is a writer, the following could be considered "ordinary and necessary" expenses:
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