Tax & Compliance · 2026-04-13

Tax Calendar for Foreign-Owned Wyoming LLCs: Every Deadline You Cannot Miss

Foreign-owned Wyoming LLCs face multiple annual deadlines across federal and state filings. Missing any one of them triggers penalties, dissolution risk, or compliance gaps. This calendar puts every critical deadline in one place.

This article is for educational purposes only. It does not constitute tax advice. Consult a qualified tax professional for your specific situation.

One Missed Deadline Can Unravel Everything

Operating a foreign-owned Wyoming LLC requires tracking multiple compliance deadlines across different agencies, filing systems, and calendars. The IRS has its deadlines. The Wyoming Secretary of State has different ones. FinCEN operates on yet another schedule. And if you sell through Amazon FBA, individual states add their own filing calendars on top of everything else.

No single deadline is difficult to meet. The danger is in the volume — there are enough separate obligations that missing one is easy, and the consequences of missing even one can cascade through your business operations.

This article consolidates every major deadline a foreign-owned Wyoming LLC needs to track into a single annual calendar. Bookmark it. Set your reminders from it. Review it with your tax professional at the start of each year.

Annual Calendar Overview

Here is the complete annual timeline for a foreign-owned single-member Wyoming LLC. All dates assume the standard calendar year. Specific dates for your LLC may vary based on formation date and individual circumstances.

January — March: Preparation Period

January 1 — New Tax Year Begins

The new tax year begins. If your LLC operated during the prior year, you should begin gathering records for your annual filings:

Bank statements for all LLC accounts for the prior year

Records of all transactions between you (the foreign owner) and the LLC

Capital contributions, distributions, loans, and payments made during the year

Any changes to LLC information (address, members, registered agent)

January 31 — Information Returns to Contractors

If your LLC paid any US-based independent contractors $600 or more during the prior year, Form 1099-NEC is due to the contractor by January 31. The IRS copy is also due by January 31 (for the 2026 tax year, these would be due January 31, 2027). Most foreign-owned single-member LLCs do not have US contractors, but if yours does, this is the first deadline of the year.

Your Anniversary Month (If January, February, or March)

If your LLC was formed in January, February, or March, your Wyoming Annual Report is due on the first day of that month. See the dedicated section below for details.

April: The Big Federal Deadline

April 15 — Form 5472 + Pro-Forma Form 1120

For the 2026 tax year, the filing deadline is April 15, 2027.

This is the most important federal filing for foreign-owned single-member LLCs. Form 5472 reports all reportable transactions between your LLC and its foreign owner (you). It must be filed with a pro-forma Form 1120.

If you cannot file by April 15: File Form 7004 before April 15 to request an automatic six-month extension. This moves the filing deadline to October 15. The extension request itself is a separate filing that must be submitted on time.

Penalty for non-filing: $25,000 per form per year. This is not proportional to income or revenue. It applies equally to LLCs with zero revenue.

Your tax professional should be engaged well before April to prepare this filing. Do not wait until the last week.

April 15 — Estimated Tax Payments (If Applicable)

If your LLC has US-source income that creates a US tax liability (uncommon for most foreign-owned disregarded entities, but possible), the first quarterly estimated tax payment for the current year may be due April 15. Consult your tax professional to determine if this applies to your situation.

Your Anniversary Month: Wyoming Annual Report

The Wyoming Annual Report is due on the first day of your LLC's anniversary month — the month your LLC was originally formed. This is a state filing, completely separate from federal tax obligations.

**Fee:** $60 minimum

**Late penalty:** $50 additional fee

**Administrative dissolution:** Approximately 60 days after the due date if not filed

For the 2026 filing year, if your LLC was formed in June, your annual report is due June 1, 2026.

This filing is an information update confirming your LLC's current details with the Wyoming Secretary of State. It takes minutes to complete online but missing it can result in your LLC being dissolved — triggering bank account disruptions, platform flags, and legal complications.

Set reminders for 30 days, 7 days, and the day of the deadline. For a detailed walkthrough, see What Is the Wyoming Annual Report — The $60 Filing That Keeps Your LLC Alive.

Quarterly: Sales Tax Returns (If Applicable)

If your business has sales tax nexus in any state — through Amazon FBA inventory, economic nexus from sales volume, or physical presence — you may need to file sales tax returns on a monthly, quarterly, or annual basis depending on the state.

Common quarterly filing months:

**January** (for Q4: October-December)

**April** (for Q1: January-March)

**July** (for Q2: April-June)

**October** (for Q3: July-September)

Specific due dates vary by state, typically falling between the 15th and 20th of the month following the quarter. Your sales tax software or tax professional will track these state-by-state deadlines.

Even if Amazon collects sales tax on your behalf through marketplace facilitator laws, you may still need to register and file returns in states where you have nexus. The filing obligation exists regardless of whether you owe tax.

For details on how FBA inventory creates nexus, see What Is Sales Tax Nexus — Amazon FBA Inventory.

Within 30 Days of Changes: BOI Report Updates

The Beneficial Ownership Information (BOI) Report, filed with FinCEN (Financial Crimes Enforcement Network), requires updates whenever there are changes to:

Beneficial owners (anyone who owns 25% or more, or exercises substantial control)

Company information (legal name, address, state of formation)

If any of this information changes, an updated BOI report must be filed within 30 days of the change. This is not an annual filing — it is event-driven.

Common triggers for BOI updates:

Changing your LLC's principal address

Adding or removing a member or manager

Changes to beneficial owner personal information (name, address)

The initial BOI report is filed when the LLC is formed (or was due by January 1, 2025, for LLCs formed before 2024, subject to ongoing regulatory updates). After the initial filing, the 30-day update rule applies to any changes.

For a comprehensive explanation, see What Is BOI Reporting — FinCEN Beneficial Ownership.

June and September: Estimated Tax Payments (If Applicable)

If your LLC has US-source income creating a US tax liability, additional quarterly estimated tax payments may be due:

**June 15** — Second quarter estimated payment (for the **2026 tax year**: June 15, 2026)

**September 15** — Third quarter estimated payment (for the **2026 tax year**: September 15, 2026)

Again, this is uncommon for most foreign-owned disregarded entities but applies in specific situations. Your tax professional will determine if estimated payments are required.

October: Extended Filing Deadline

October 15 — Extended Deadline for Form 5472 + Pro-Forma 1120

For the 2026 tax year, the extended deadline is October 15, 2027.

If you filed Form 7004 by April 15 to request an extension, your Form 5472 and pro-forma Form 1120 are now due. This is a hard deadline — there is no further extension available.

If you have not yet engaged a tax professional and you filed an extension, October is your absolute last chance. The $25,000 penalty for non-filing applies if you miss this date.

January of the Following Year: Fourth Estimated Payment

January 15 — Fourth Quarter Estimated Payment (If Applicable)

For the 2026 tax year, the fourth quarter estimated tax payment is due January 15, 2027. This applies only if estimated payments are required for your situation.

Ongoing Throughout the Year

Recordkeeping

Maintain records of all transactions between yourself and the LLC throughout the year. This includes:

Every deposit into the LLC bank account (capital contributions)

Every withdrawal or transfer from the LLC to your personal accounts (distributions)

Any loans in either direction

Payments for services between you and the LLC

All business expenses paid by the LLC

Good records make Form 5472 preparation straightforward. Poor records make it expensive and stressful.

Registered Agent Maintenance

Ensure your registered agent service remains active and that their contact information is current with the Wyoming Secretary of State. If your registered agent lapses or changes, update the state records promptly. Failure to maintain a registered agent can independently trigger compliance issues.

Banking and Platform Compliance

Monitor any requests from your bank or business platforms (Stripe, Amazon, payment processors) for updated documentation. These platforms periodically re-verify business entities and may request current certificates of good standing, updated formation documents, or ownership verification. Respond promptly to avoid account disruptions.

Summary: Quick Reference Calendar

Annual Fixed Deadlines (for 2026 tax year):

| Deadline | Filing | Agency |

|----------|--------|--------|

| January 31, 2027 | 1099-NEC to contractors (if applicable) | IRS |

| April 15, 2027 | Form 5472 + pro-forma 1120 (or extension via Form 7004) | IRS |

| October 15, 2027 | Extended deadline for Form 5472 + 1120 | IRS |

Annual Variable Deadline:

| Deadline | Filing | Agency |

|----------|--------|--------|

| First day of anniversary month | Wyoming Annual Report ($60) | WY SOS |

Quarterly (if applicable):

| Deadline | Filing | Agency |

|----------|--------|--------|

| Varies by state | Sales tax returns | State DOR |

| April 15, June 15, Sept 15, Jan 15 | Estimated tax payments | IRS |

Event-Driven:

|---------|--------|--------|-----------|

Build Your Compliance System

Do not rely on memory for these deadlines. Build a system:

1. Calendar all deadlines at the start of each year, with reminders 30 days and 7 days before each one

2. Engage a tax professional before March — do not wait until April to start Form 5472 preparation

3. Automate what you can — registered agent annual report filing, sales tax software for multi-state compliance

4. Review annually — tax laws change, your business circumstances change, and new obligations may arise

The total cost of maintaining compliance for a foreign-owned Wyoming LLC is modest compared to the penalties for non-compliance. A single missed Form 5472 costs $25,000 in penalties. A missed Wyoming Annual Report can dissolve your LLC. Prevention is always cheaper than recovery.

For detailed guidance on individual filings, see What Is Form 5472 — Foreign-Owned LLC Tax Filing and What Is BOI Reporting — FinCEN Beneficial Ownership.

This article is for educational purposes only. It does not constitute tax advice. Consult a qualified tax professional for your specific situation.