The US government is not being billed in 4 days. They're on a massive contract that is likely paid quarterly. Or likely a net 60 or 90 by purchase order. It isn't like they're on Heroku and the credit card expired.
They aren't necessarily pre-paying for services, and there's no guarantee that they will retroactively receive monies for the days that the government is shut down. So while they may see the bill later, they may not receive the funding to pay the bill for that period
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The US government is not being billed in 4 days. They're on a massive contract that is likely paid quarterly. Or likely a net 60 or 90 by purchase order. It isn't like they're on Heroku and the credit card expired.
They aren't necessarily pre-paying for services, and there's no guarantee that they will retroactively receive monies for the days that the government is shut down. So while they may see the bill later, they may not receive the funding to pay the bill for that period