Last week, the White House budget office took the extraordinary step of classifying Internal Revenue Service employees who process tax refunds as "essential" and recalling at least 30,000 to return to work without pay. But hundreds of those un-furloughed workers are staying home, requesting and receiving "hardship" exemptions that, under their union contract, allow them to skip work during a shutdown if they can't afford to work for free, The Washington Post reports.

"Trump has expressed an interest in making sure that tax refunds are paid out next month, believing that if they are delayed he could face major public backlash," the Post reports. But IRS workers who help process refunds and answer taxpayer questions are among the lowest-paid at the agency. "They are definitely angry that they're not getting paid, and maybe some of them are angry enough to express their anger this way," said Tony Reardon, president of the 150,000-member National Treasury Employees Union. "But these employees live paycheck to paycheck, and they can't scrape up the dollars to get to work or pay for child care."

If the number of IRS workers staying home rises, as union officials say they expect it will, refunds will likely be delayed. The IRS won't say how many workers are out on hardship leave, and IRS spokesman Matt Leas tells the Post that the agency is busy preparing for next week's start of tax filing season, "we are continuing our recall operations, and we continue to assess the situation at this time." You can read about some of the hardships at The Washington Post. Peter Weber