Form OP?424 2026

See details

4.4 out of 5

23 votes

The document outlines the Business Entity Tax (BET) return process for entities operating in Connecticut, specifically Form OP-424. It details the tax liability, applicable business types, due dates, payment options, penalties for late payments, and instructions for filing electronically or by mail. The BET is a $250 tax due every other year until an entity officially dissolves or withdraws from Connecticut.

Here's how it works

01. Edit your form op 424 online

Type text, add images, blackout confidential details, add comments, highlights and more.

02. Sign it in a few clicks

Draw your signature, type it, upload its image, or use your mobile device as a signature pad.

03. Share your form with others

Send op 424 business entity tax return via email, link, or fax. You can also download it, export it or print it out.

How to use or fill out Form OP?424 with our platform

Ease of Setup

DocHub User Ratings on G2

Ease of Use

DocHub User Ratings on G2

Click ‘Get Form’ to open Form OP?424 in the editor.
At the top of the form, enter your entity’s taxable period, Connecticut Tax Registration Number, Federal Employer Identification Number (FEIN), and Connecticut Secretary of the State Business Identification Number.
In the 'Business Entity Tax' section, indicate if this is a final return and provide your street address, city/town, state, and zip code.
Fill in the amounts for lines 1 (Business entity tax), 2 (Penalty if late), and 3 (Interest). Calculate the total amount due by adding these amounts together.
Sign the declaration at the bottom of the form. Ensure that it is signed by an authorized individual based on your entity type.

Start filling out Form OP?424 today using our platform for a seamless experience!

See more Form OP?424 versions

We've got more versions of the Form OP?424 form. Select the right Form OP?424 version from the list and start editing it straight away!

Versions	Form popularity	Fillable & printable
2018	4.4 Satisfied (23 Votes)
2012	4.3 Satisfied (46 Votes)

be ready to get more

Complete this form in 5 minutes or less

Get form

Got questions?

We have answers to the most popular questions from our customers. If you can't find an answer to your question, please contact us.

How much does your LLC have to make to pay taxes?

When it comes to federal income tax, an LLC is a pass-through entity. This means that the LLC itself does not pay taxes on business income and does not have to file a return with the IRS.

Is Connecticut pass through entity tax mandatory?

For Distributive Share Percentage, see the instructions for Part 4 - Member Information, in the Form CT-PET instructions. Legislation makes the pass-through entity tax optional.

How is an LLC taxed in CT?

By default, a Connecticut LLC is taxed by the Internal Revenue Service (IRS) based on the number of Members the LLC has. Then the Connecticut Department of Revenue Services honors this and taxes your LLC the same way at the state level. An LLC with 1 owner (Single-Member LLC) is taxed like a Sole Proprietorship.

Is CT OP 424 still required?

Connecticut ended the Business Entity Tax (BET) Youre still required to file any outstanding tax from prior years, so Form OP-424 is available in UltraTax CS 2019 and prior. Refer to the Connecticuit DOR website for more information.

Who is required to file a CT corporate tax return?

Every corporation (or association taxable as a corporation) that carries on business or has the right to carry on business in Connecticut must complete a registration application and file Form CT‑1120, Corporation Business Tax Return.

ct form op 424

Form op 424 pdf Form op 424 instructions Form op 424 online CT-PET form Form CT-PET instructions Ct form 1065 instructions 2023 Form ct 1040v payment Form ct 1065 ct 1120si instructions 2023

Security and compliance

At DocHub, your data security is our priority. We follow HIPAA, SOC2, GDPR, and other standards, so you can work on your documents with confidence.

Learn more

Who pays CT business entity tax?

The CT business entity tax is a tax required of all limited liability companies that operate in the state of Connecticut. The business entity tax costs $250 and is due every two years.