Form 1120-S Filing

The deadline for Form 1120-S filing for calendar year is 15th March of the following year. On the other hand, for fiscal year companies, it is due on the 15th day of the third month after the year ends. Moreover, you can also request for an extension by filing Form 7004 up to six months.

Typically, in most cases S corporations does not need to pay federal tax since it is pass through an entity. Instead, income, losses, and credits are passed to shareholders, who report them on their personal tax returns. However, there are certain list of special taxes that may still apply in limited situations.

A Schedule K-1 is a crucial document that shows each shareholder's share of the S-corporations income, deductions, and credits. Therefore, every shareholder should carefully file their personal tax return to avoid any discrepancies or delay because it may result in delaying the individual filings as well.

The penalty for late filing of Form 1120-S include a monetary penalty of $245 per shareholder and per month up to 12 months. Additional penalties may also apply if the Schedule K-1 is not provided correctly to shareholders, even if no tax is due as such.

The list of the eligibility requirements to file Form 1120-S are entity must be a domestic corporation with less than 100 shareholders; All the shareholders must be eligible individuals or certain trusts and not partnerships or non-resident aliens. Moreover, the company must have only one class of stock and must not belong to an ineligible business category like certain financial institutions or insurance companies.

A Form 1120-S is used by S corporations, where its income is not taxed at the company level it passes through to shareholders. On the other hand, Form 1120 is used by C-Corporations, which pay tax at the corporate level and Form 1065 is used by partnerships and LLCs taxed as partnerships in U.S.

The reasonable compensation for S-Corp owners includes a reasonable salary before taking a distribution of S-Corp owner's work in a business. However, this salary must reflect the current market standards for the work performed, while the IRS closely monitors this to ensure proper and fair payroll tax compliance in U.S.

A pass-through taxation allows S corporation in U.S. to not pay income tax itself instead both profits and losses are pass directly to the shareholders, who pay tax on their personal returns. This overall helps to avoid double taxation and also provide various additional benefits.

Although it is possible to file Form 1120-S on your own, it is often complex due to detailed reporting requirements and compliance rules. Many businesses prefer using a CPA or tax expert to ensure accuracy, avoid penalties, and maximize tax benefits.