WHERE Solo 401k Plan CONTRIBUTIONS ARE DEDUCTED | ||
Employer Type | Contributions for Business Owners | |
Sole Proprietorship | IRS Form 1040 | |
Partnership | IRS Form 1040 | |
Limited Liability Company (LLC) | IRS Form 1040 or 1120, depending on election | |
Subchapter S Corporation | IRS Form 1120S | |
Subchapter C Corporation | IRS Form 1120 |