Key takeaways
- The trigger is not a vendor's revenue guideline. The trigger is the first form line your current records cannot fill: a balance sheet, a book-to-tax reconciliation, a quarterly payroll return, or a state sales tax return on a fixed cycle.
- Schedule C has no balance sheet. Form 1065 asks for one unless four conditions on Schedule B are met, and Forms 1120-S and 1120 unless two are met. The 2025 forms set those lines at $250,000 of receipts and either $250,000 or $1 million of assets, depending on the form.
- A bookkeeper keeps the records. A tax return preparer needs a preparer tax identification number (PTIN), and only enrolled agents, certified public accountants (CPAs), and attorneys can represent you before the IRS without limits.
- Delegating the work does not delegate the obligation. Section 6001 puts record keeping on every person liable for a tax, and Publication 15 says an employer remains responsible when a payroll provider fails to act.
- For a wage benchmark, the Bureau of Labor Statistics put the May 2025 national median at $50,670 for bookkeeping clerks and $83,680 for accountants and auditors. Those figures are employee wages, not outsourced fees.
The decision table
| Option | What it covers | What it does not cover | When it is the practical choice |
|---|---|---|---|
| Do it yourself with software | Recording income and expenses, bank reconciliation, receipts, a simple profit and loss | A balance sheet you can defend, payroll deposits on a schedule, multi-state sales tax, representation before the IRS | One owner, Schedule C, no employees, no sales tax registration, cash basis, no inventory |
| Bookkeeper, outsourced or in-house | Everything above, plus a monthly close, a balance sheet, payroll processing, sales tax returns, 1099 preparation, records that match the filings | Signing a return as preparer without a PTIN, representing you before the IRS, tax planning and entity decisions | A filing now asks for a balance sheet or a reconciliation, or a payroll or sales tax calendar has started |
| Accountant or tax professional: CPA, enrolled agent, or attorney | Preparing and signing returns, unlimited representation before the IRS, elections, planning, and review of what the bookkeeper produced | Day-to-day transaction entry, unless the firm also offers bookkeeping | Partnership, S corporation, or C corporation returns, a notice or audit, a foreign owner, or a decision that changes the return |
The IRS page on preparer credentials draws the line that matters here. "Any tax professional with an IRS preparer tax identification number (PTIN) is authorized to prepare federal tax returns." Enrolled agents, certified public accountants, and attorneys "have unlimited representation rights before the IRS." A PTIN holder with no credential and no Annual Filing Season Program participation can prepare returns, but, as the page puts it, "they have no authority to represent clients before the IRS."
Triggers that come from the forms, not from a vendor
Vendor articles put the trigger at a count of transactions or a revenue figure. Those numbers differ from article to article and, in the ones we read, cite no source, so this table uses the lines that the forms themselves draw. Amounts are from the 2025 forms, filed in 2026.
| Event | What the form asks for | Where the line is |
|---|---|---|
| Sole proprietor or single-member LLC, no corporate election | Schedule C: income, expenses, cost of goods sold, vehicle information, other expenses. No balance sheet schedule | Schedule C (Form 1040), 2025 |
| Two or more owners, taxed as a partnership | Form 1065 Schedules L, M-1, and M-2, the balance sheet, book-to-tax reconciliation, and capital account analysis, unless the partnership answers "Yes" to all four parts of Schedule B question 4 | Total receipts under $250,000; total assets at year end under $1 million; Schedules K-1 filed and furnished by the due date including extensions; no Schedule M-3 |
| S corporation election | Form 1120-S Schedules L and M-1, unless the corporation answers "Yes" to both parts of Schedule B question 11 | Total receipts under $250,000 and total assets at year end under $250,000 |
| C corporation, including an LLC taxed as one | Form 1120 Schedules L, M-1, and M-2, unless the corporation answers "Yes" to Schedule K question 13. Even then it reports cash and property distributions on that line | Total receipts and total assets at year end under $250,000 |
| First employee | Form 941 each quarter, deposits on a monthly or semiweekly schedule, Forms W-2 and W-3 to the Social Security Administration | Form 941 is due April 30, July 31, October 31, and January 31; Forms W-2 are due to employees and the SSA by January 31 |
| Paying contractors | Form 1099-NEC to the payee and the IRS | January 31, or the next business day when that date falls on a weekend or holiday. Whether a payment reaches the 1099-NEC threshold is a separate test |
| Registering for sales tax | A return on the cycle the state assigns | In Texas, for example, a permit holder with less than $1,500 of state sales and use tax per quarter may file quarterly, one with less than $1,000 in a calendar year may file yearly with Comptroller authorization, and one with $1,500 or more per quarter must file monthly |
| Inventory or an accrual method | Records that track inventory and timing, not only cash in and out | The cash versus accrual decision on the first return sets this |
| A single owner who is a foreign person | Form 5472 with a pro forma Form 1120, and records kept under Regulations section 1.6038A-3 | Independent of volume. See the section below |
Three details in that table change what the books have to produce. First, the Form 1065 relief is wider than the other two. A "Yes" to question 4 also removes item F on page 1 and item L on each Schedule K-1. The asset line is $1 million rather than $250,000. Second, the Form 1120-S relief covers Schedules L and M-1 only; the instructions do not extend it to Schedule M-2. Third, a C corporation that skips the schedules still enters its total cash distributions and the book value of property distributions on Schedule K question 13. So someone has to track distributions all year.
The payroll trigger can arrive before you expect it. Publication 15 (2026) determines the deposit schedule from a lookback period that runs July 1 through June 30. For calendar year 2026 that period is July 1, 2024 through June 30, 2025. An employer that reported $50,000 or less of employment taxes in the lookback period is a monthly schedule depositor; more than $50,000 makes it semiweekly. A separate rule applies on any day the accumulated tax reaches $100,000: the deposit is due the next business day, whichever schedule applies. A new employer with no lookback history starts as a monthly depositor, and the first quarterly Form 941 is due at the end of the month after the quarter closes. The IRS adds ten days to that filing deadline if every deposit was made on time.
When doing it yourself is still reasonable
The forms also tell you when nothing has changed. A one-owner company with no employees, no sales tax permit, no inventory, and a cash-basis Schedule C has no filing that asks for a balance sheet or a deposit schedule. Software and a monthly reconciliation can carry that company for a long time.
What does not go away is the record itself. Section 6001 says that "every person liable for any tax imposed by this title" shall "keep such records, render such statements, make such returns" as the regulations prescribe. Publication 583 states it plainly: "Everyone in business must keep records," and "you must keep your business records available at all times for inspection by the IRS." The IRS burden of proof page adds that "the responsibility to prove entries, deductions, and statements made on your tax returns is known as the burden of proof," and that you must be able to substantiate expenses to deduct them. None of that depends on who typed the entries. How long each kind of record has to be kept, and when each clock starts, is laid out in a table of business records retention periods.
Publication 15 makes the same point for payroll in direct language: "Generally, as an employer, you're responsible to ensure that tax returns are filed and deposits and payments are made, even if you contract with a third party to perform these acts. You remain responsible if the third party fails to perform any required action." That sentence is written for payroll. In the sources we read, the IRS does not state a parallel sentence for bookkeeping in general. But section 6001 places the duty on the person liable for the tax. That person is the owner or the entity, not the bookkeeper.
What a bookkeeper cannot do for you
A bookkeeper produces the ledger, the reconciliations, and the statements the return is built from. Three things stay with a credentialed professional or with you.
- Signing as preparer. A return prepared for compensation must carry the preparer's PTIN under section 6109(a)(4) and Regulations section 1.6109-2. A bookkeeper who prepares the return for a fee needs one; a bookkeeper who hands the books to a preparer does not.
- Representation. If a notice, an audit, or a collection matter arrives, enrolled agents, CPAs, and attorneys can act for you on any matter. A non-credentialed preparer who completed the Annual Filing Season Program has limited rights, and a PTIN holder with no credential has none.
- Decisions that change the return. Choosing an accounting method, an S corporation election, or how to treat a distribution is advice. The bookkeeper's records only reflect the decision after someone makes it.
If the owner lives outside the United States
A single-member LLC owned by a foreign person, the Form 5472 term, is a reporting corporation for one purpose. The Form 5472 instructions explain that although a foreign-owned US disregarded entity "has no income tax return filing requirement," it must file a pro forma Form 1120 with Form 5472 attached by that form's due date, including extensions. The same instructions set the penalty for not filing at $25,000. They state that "the penalty also applies for failure to maintain records as required by Regulations section 1.6038A-3." That regulation requires books "sufficient to establish the correctness of the federal income tax return," including records of transactions with related parties. For a one-owner LLC, that means your own contributions, loans, and withdrawals.
Volume-based guidelines fail here for that reason. A foreign-owned LLC with a handful of transactions still needs a record of every transfer between the owner and the company, kept in a form that supports Form 5472. Whether you or a bookkeeper keeps it is a choice; whether it exists is not.
Cost: a public benchmark, not a quote
Vendor pricing changes, and this site does not quote it. The Bureau of Labor Statistics publishes national wages for both occupations, and those figures are the only wage or fee figures in this article.
| Occupation, BLS national median wage, May 2025 | Annual | Hourly |
|---|---|---|
| Bookkeeping, accounting, and auditing clerks | $50,670 | $24.36 |
| Accountants and auditors | $83,680 | $40.23 |
Two cautions. These figures are wages of employees. They describe the cost of hiring in-house, not what an outsourced service charges for a fraction of that time. And the gap between the two rows is the gap in scope from the decision table: the second occupation includes people who sign and represent.
The size of the job, whoever does it, depends on the same list that drives the triggers. That list is the number of transactions and accounts, whether payroll is included, the number of states you collect sales tax for, and how far behind the books are when the engagement starts. The last item is the reason to start a bookkeeper before the first balance sheet is due, not after it. Months of unrecorded transactions have to be entered before anyone can close a period.
The calendar your books have to be ready for
For a calendar-year company with 2025 activity, these are the dates in 2026 that require closed books. Each comes from the form instructions, with a weekend date moved to the next business day as those instructions provide.
| Date in 2026 | What is due | Who it applies to |
|---|---|---|
| February 2, because January 31 is a Saturday | Forms W-2 to employees and, with Form W-3, to the SSA; Form 1099-NEC to payees and the IRS; Form 941 for the fourth quarter of 2025 | Employers; anyone who paid reportable contractors |
| March 16, because March 15 is a Sunday | Form 1065 with Schedules K-1, for which the late-filing penalty runs per partner, per month; Form 1120-S with Schedules K-1 | Partnerships and multi-member LLCs; S corporations |
| April 15 | Form 1040 with Schedule C; Form 1120 for a calendar-year corporation, under the rule that the return is due by the 15th day of the fourth month after year end | Sole proprietors and single-member LLCs; C corporations |
| April 30, July 31, and November 2, because October 31 is a Saturday | Form 941 for the first, second, and third quarters of 2026 | Employers |
| The 20th, on the assigned cycle | State sales and use tax, using Texas as the example above | Sales tax permit holders |
Owners who pay their own estimated tax have four more dates between April and the following January, covered in the estimated tax safe harbor article. Every one of these filings is built from the books as they stood at the period end. A monthly close means the month is finished before the form asks about it. State annual reports and franchise taxes run on calendars of their own, compared in annual reports and franchise taxes for a new LLC in 7 states.
FAQ
Can a bookkeeper file my tax return? Only if the bookkeeper also holds a PTIN and prepares the return for pay. Section 6109(a)(4) requires the preparer's identifying number on a return prepared by a tax return preparer. Keeping the books does not by itself make someone the preparer.
My company is small. Do I ever need a balance sheet? If you file Schedule C, no. If you file Form 1065, 1120-S, or 1120, the balance sheet schedule is required unless your receipts and assets stay under the lines on the 2025 forms. The receipts line is $250,000 for all three forms. The assets line is $1 million for a partnership and $250,000 for an S or C corporation. For Form 1065, the K-1 and Schedule M-3 conditions must also be met before the schedule can be skipped.
If my payroll provider misses a deposit, who pays the penalty? The employer. Publication 15 says you remain responsible if the third party fails to perform any required action.
Does a foreign-owned LLC with almost no activity still need books? Yes. The Form 5472 instructions apply the $25,000 penalty to a failure to maintain the records required by Regulations section 1.6038A-3, separately from the failure to file. Owner contributions and withdrawals are the transactions those records have to show.
Sources
- Form 1065 (2025), Schedule B, question 4, IRS, accessed 2026-10-09
- Instructions for Form 1065 (2025), IRS, accessed 2026-10-09
- Form 1120-S (2025), Schedule B, question 11, IRS, accessed 2026-10-09
- Instructions for Form 1120-S (2025), IRS, accessed 2026-10-09
- Instructions for Form 1120 (2025), IRS, accessed 2026-10-09
- Schedule C (Form 1040) 2025, IRS, accessed 2026-10-09
- Publication 15 (2026), (Circular E), Employer's Tax Guide, IRS, accessed 2026-10-09
- Employment tax due dates, IRS, accessed 2026-10-09
- Publication 509 (2026), Tax Calendars, IRS, accessed 2026-10-09
- Instructions for Forms 1099-MISC and 1099-NEC (Rev. December 2026), IRS, accessed 2026-10-09
- 26 U.S.C. 6001, Notice or regulations requiring records, statements, and special returns, Legal Information Institute, accessed 2026-10-09
- Burden of proof, IRS, accessed 2026-10-09
- Publication 583 (Rev. December 2024), Starting a Business and Keeping Records, IRS, accessed 2026-10-09
- Understanding tax return preparer credentials and qualifications, IRS, accessed 2026-10-09
- 26 U.S.C. 6109, Identifying numbers, Legal Information Institute, accessed 2026-10-09
- 26 CFR 1.6109-2, Tax return preparers furnishing identifying numbers, Legal Information Institute, accessed 2026-10-09
- Instructions for Form 5472 (Rev. December 2024), IRS, accessed 2026-10-09
- 26 CFR 1.6038A-3, Record maintenance, Legal Information Institute, accessed 2026-10-09
- Occupational Outlook Handbook: Bookkeeping, Accounting, and Auditing Clerks, U.S. Bureau of Labor Statistics, accessed 2026-10-09
- Occupational Outlook Handbook: Accountants and Auditors, U.S. Bureau of Labor Statistics, accessed 2026-10-09
- 34 Tex. Admin. Code 3.286, Seller's and Purchaser's Responsibilities, Legal Information Institute, accessed 2026-10-09
- Sales and Use Tax, Texas Comptroller of Public Accounts, accessed 2026-10-09
