How does an individual contribute to their HSA?
The simplest way to contribute to the HSA is through pre-tax payroll contributions, but individuals may also write a check or transfer money from their bank account to make a lump sum contribution to their HSA. If the money comes from their bank account instead of through payroll contributions, they may deduct the amount contributed on their federal taxes using IRS form 8889‡ since those contributions would be made with after-tax money.
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