In order to prepare for a business audit, an IRS examiner generally does research about the specific industry and issues on the taxpayer’s return. Examiners may use IRS “Audit Techniques Guides (ATGs).” A little-known secret is that these guides are available to the public on the IRS website. In other words, your business can use the same guides to gain insight into what IRS auditors know, and what the IRS is looking for in terms of compliance with tax laws and regulations.  Many ATGs target specific industries or businesses, such as new vehicle dealerships, construction, aerospace, art galleries, architecture and veterinary medicine. Others address issues that frequently arise in audits, such as executive compensation, passive activity losses and capitalization of tangible property. Unique issues IRS auditors need to...