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Editorial 8 MIN READ

Florida's corporate income tax rate, walking down

A 5.5% rate cut to 4.458%, a refund mechanic almost nobody else uses, and a sunset that depends on collections

The Editors
Staff, Incorporator.org
8 min read Updated
Contents 6 sections
  1. What the rate is and how it got here
  2. The 7% collections formula
  3. How Florida built a base that floats with Washington
  4. What it means for the forms
  5. What remains unclear
  6. Sources

lorida's corporate income tax rate sits at 4.458% for tax year 2019, down from the statutory 5.5% that ran for three and a half decades. The cut is temporary, formula-driven, and tied to a collections trigger written into Fla. Stat. § 220.1105 by House Bill 7093 in 2018.

The unusual part is not the rate. It is the mechanic underneath it: a state that rarely touches its corporate tax has built a self-adjusting escalator that can hold the rate down, refund a share of prior-year collections, or snap back to 5.5% depending on what the books say each year.

What the rate is and how it got here

Florida has imposed a 5.5% corporate income tax under Fla. Stat. § 220.11 since 1984. There is no individual income tax; Article VII, section 5 of the Florida Constitution forbids one for natural persons. The corporate tax is therefore the state's only direct tax on income, and it is narrow by design. It reaches C-corporations and entities taxed as C-corporations for federal purposes. S-corporations and most LLCs pass through. Florida is one of a small group of no-personal-income-tax states, and the only one in the Southeast that taxes corporations at a meaningful rate.

The rate had not moved since the Reagan administration. What changed was federal tax law. The Tax Cuts and Jobs Act, enacted December 2017, broadened the federal corporate base: limits on interest deductions under IRC § 163(j), the section 965 transition tax on deferred foreign earnings, mandatory capitalization of research expenditures beginning in 2022, and a handful of smaller base-broadeners. Because Florida piggybacks on federal taxable income as the starting point for its own base (Fla. Stat. § 220.13, defining "adjusted federal income"), every federal base-broadener pushed Florida revenue up without the legislature doing anything.

The 2018 session's response was HB 7093. The headline move was a temporary rate cut paired with a refund, both calibrated to give back the windfall the state estimated it would otherwise collect. The rate dropped to 4.458% for tax years beginning on or after January 1, 2019 and before January 1, 2022. That covers three filing years: 2019, 2020, and 2021. If nothing else happens, the rate reverts to 5.5% for tax years beginning January 1, 2022 or later.

The refund piece is separate. Under Fla. Stat. § 220.1105(2), for fiscal year 2018–19, the Department of Revenue was required to compute the aggregate corporate income tax collected and, if that figure exceeded adjusted forecasted collections by more than 7%, refund the excess pro rata to corporations that filed returns for tax years beginning in 2017. The first round of refund checks went out in spring 2019 for the 2017 tax year, based on fiscal-year-19 collections data.

The 7% collections formula

The trigger is written to be mechanical. The statute directs the Department of Revenue, after the close of each relevant state fiscal year, to calculate "net collections" (corporate income tax receipts less refunds and certain other adjustments) and compare them to "adjusted forecasted collections," a figure derived from the official revenue estimate the state uses for its general-fund budget.

If net collections exceed the adjusted forecast by more than 7%, two things happen. First, the excess above forecast is refunded to filers from the prior tax year, pro rata by tax paid. Second, the reduced rate continues into the next applicable year. If collections come in at or below the forecast plus 7%, the statute does not trigger a refund and allows the rate to reset.

The 7% band exists because revenue forecasting is imprecise and because the legislature did not want a small overshoot to generate refund mechanics and administrative cost. It is a deliberately loose screen. The implicit question it asks is not "did we collect too much?" but "did we collect materially more than we expected, suggesting the TCJA base-broadening is flowing through as we feared?"

For tax year 2019, the answer was yes. The Department's calculations for fiscal 2018–19 showed net collections well above the 7% band, which supported both the first refund and the continuation of the 4.458% rate into tax year 2019 filings. Corporations filing Florida Form F-1120 for taxable years beginning in calendar 2019 apply the 4.458% rate to Florida net income under Fla. Stat. § 220.11(2)(b), as amended.

The statute's structure means the rate for 2020 and 2021 is not guaranteed to stay at 4.458%. Each year's trigger is an independent calculation. A shortfall in a given fiscal year could, in principle, flip the rate back toward 5.5% for the next filing cycle. The drafting of § 220.1105 is specific enough that taxpayers and their advisors need to watch the Department's annual revenue estimating conference reports, not just the statute itself.

How Florida built a base that floats with Washington

Understanding why the legislature wrote a collections-triggered mechanic, rather than simply cutting the rate, requires understanding how tightly Florida is wired to the federal code. Fla. Stat. § 220.13(1) defines "adjusted federal income" as federal taxable income with a list of add-backs and subtractions: state and local taxes deducted federally, certain net operating loss adjustments, and a handful of Florida-specific preferences. The starting number is federal.

That means every federal change to the corporate base flows into Florida's base automatically unless the legislature decouples. Florida has historically chosen conformity over decoupling because the administrative cost of running a parallel code is high and because Florida's corporate tax is a modest share of general-fund revenue, on the order of 6% in recent years. Conformity makes compliance cheaper for multistate filers that already compute federal taxable income.

When TCJA landed, the base-broadeners pushed Florida's implicit revenue per dollar of GDP up by a nontrivial amount. Legislative staff analyses in early 2018 projected billions in additional collections over the following several years. HB 7093 was the compromise: keep conformity, but hand back a share of the windfall through a temporary rate cut and an automatic refund. The legislature avoided both a permanent rate cut (which would have been hard to reverse) and a full decoupling from TCJA (which would have created administrative complexity).

The refund provision is the more novel half. State tax regimes occasionally index rates or brackets. They rarely write in a prior-year refund triggered by a current-year collections metric. Florida's Office of Economic and Demographic Research and the Department of Revenue implement the calculation jointly: EDR publishes the revenue estimate, DOR compares it to actual collections, and the refund pool is distributed to filers from the qualifying prior year based on their tax liability as actually paid.

For a corporation that paid, say, $1 million of Florida corporate income tax in tax year 2017, the refund in 2019 was its pro-rata share of the statewide excess above the 7% band. The calculation is not public on a per-filer basis, but the aggregate refund pool and the denominator (total 2017 Florida corporate income tax liability) can be derived from the Department's published collections reports.

What it means for the forms

The rate change affects the computation on Florida Form F-1120, the corporate income tax return. Schedule I computes Florida net income from federal taxable income through the state's add-backs and apportionment factor. The rate applied at the bottom of the return is 4.458% for tax years beginning in 2019. The estimated-tax rules under Fla. Stat. § 220.34 require quarterly payments based on an annualized projection, so corporations should have been applying 4.458% to their 2019 estimates through the year.

The refund mechanic is handled by the Department of Revenue, not the filer. Corporations that filed a 2017 F-1120 and qualified received their refund by check or electronic transfer based on the information on file. No separate claim form was required for the 2017-tax-year refund; the statute made distribution automatic. Corporations that amended their 2017 return after the refund was computed may face reconciliation issues, but the baseline is that the refund is not a credit claimed on a subsequent return.

Multistate filers with a Florida nexus apportion their federal base to Florida using the three-factor formula in Fla. Stat. § 220.15, weighted 25% property, 25% payroll, 50% sales. That formula is unchanged by HB 7093. The rate reduction lowers the effective tax rate on apportioned income without changing what counts as apportioned income.

S-corporations, partnerships, and most LLCs are outside the corporate tax entirely. An LLC that has elected to be taxed as a C-corporation federally is inside the regime; an LLC with default pass-through treatment is not. Our Florida LLC formation guide covers the formation-side mechanics that determine where a new Florida entity lands for state-tax purposes.

What remains unclear

Three things about the 2019 rate are worth watching into 2020.

The first is whether the 7% trigger holds through a full business cycle. Florida's corporate tax is procyclical: collections track corporate profits, which track the broader economy. A recession during the 2019–2021 window could pull net collections below forecast, end the refund stream, and flip the rate back sooner than the 2022 statutory sunset. The statute as written does not require a recession to snap the rate back; it only requires collections to come in inside the 7% band rather than above it.

The second is legislative follow-up. HB 7093 set the sunset at 2022, but the legislature can revisit. A 2020 session that sees continued excess collections might extend the cut, make it permanent at a negotiated rate between 4.458% and 5.5%, or leave the statute alone and let it expire. Business groups have pushed for permanence; the Department of Revenue and legislative economists have flagged the volatility the mechanic creates for multi-year budget planning.

The third is interaction with any further federal conformity choices. Florida updates its conformity date annually in the revenue bill. The 2019 update (in the 2019 session's tax package) pulled federal conformity forward to capture certain TCJA technical corrections. If Congress enacts a significant change to the corporate base in 2020 or 2021, Florida will have to decide whether to conform immediately, decouple, or absorb the change into the § 220.1105 calculation. The statute's drafting gives it room to do any of those.

Corporations filing 2019 Florida returns this year are paying a rate no one paid for thirty-four years, under a formula no other state uses, tied to collections data the Department of Revenue has been publishing in spreadsheets for two decades without anyone outside Tallahassee reading them closely. The rate may hold for two more years or reset next year. The statute, not the press release, is the thing to read.

Sources

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