Old roof has structural issues requiring significant repair or renovation. If corrective measures are extensive, the cost of fixing a flat roof may be close to the cost of converting to a pitched roofâor close enough. Roofing may last longer. In theory, roofing on flat roofs can last as long as standard materials on sloped roofs, but in reality, roofing on houses with pitched roofs has greater longevity, on average.
The Internal Revenue Service requires companies to keep business tax returns and supporting documents for a minimum of three years from the time of filing. During this time, the return can be amended or audited. If you failed to report income, however, the IRS can come after your business for up to six years. If the business took a deduction for a worthless security or bad debt, the IRS can pursue the issue for seven years. To be safe, a business should keep tax records in its permanent files. If that's not possible, tax records should be kept for seven years to account for most scenarios where the records might be needed.
1 Typically, the IRS can come after your business for failing to report income for up to 6 years after your filing if the amount is greater than 25% of your businessâs gross income. 2  If you filed for a deduction for a bad debt or worthless security, the IRS suggests you keep your supporting tax records for 7 years.ere are some basic record retention rules to think about for your business. 1  Business Income Tax Returns and Supporting Documents. 2  It makes sense to keep a final copy of your business income tax returns and related correspondence with the IRS permanently to help you prepare future or amended returns.