Mr. Marsh and his brother-in-law Hyman Golden originally ran a Brooklyn-based window-washing and office-maintenance business.

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Other possible red flags that could trigger an audit include deductions for either a home office or maintenance of a rental property.

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It said there had been an error in its Edinburgh office, involving the maintenance of its systems.

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The agencies will be analyzing savings opportunities across the government, in areas such as desktops and laptops, IT software, janitorial and sanitation supplies, office furniture, building maintenance and operations services, and other professional and technical services.

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Furloughed workers could include office staff, aircraft and ship maintenance workers, teachers and medical staff.

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In some cases, more vocational courses are offered to learners during their basic and middle education, such as courses in the following sectors, Filing and Office Clerking, Accounting, Beauty and Make-up and Computer Maintenance.

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The two biggest employers of office cleaners in Los Angeles and across America are American Building Maintenance, which is based in Washington state, and OneSource, run from Atlanta and owned by a company based in Belize.

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Maintenance firm Tube Lines and Scheerbau, the train's owner, are also to be prosecuted by the Office of Rail Regulation.

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