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The tax-filing season officially is underway: The IRS now is accepting 2021 tax returns, and the clock thus is counting down until Tax Day, which this year falls on April 18 for most people. If you hope to get a tax refund this year — or even if you simply hope to get a bigger refund next year — here are several things you should know. Brace yourself: Due to federal tax law changes for 2021 and…
