Business & farm

You need to use another service like Intuit Payroll
<a rel="nofollow" target="_blank" href="http://payroll.intuit.com">http://payroll.intuit.com</a>

Or you can use QuickBooks
<a rel="nofollow" target="_blank" href="http://quickbooks.intuit.com/products">http://quickbooks.intuit.com/products</a>

Here's some IRS info:
Here is a video guide to payroll taxes
 <a rel="nofollow" target="_blank" href="https://turbotax.intuit.com/tax-tools/tax-tips/Small-Business-Taxes/Video--Guide-to-Payroll-Taxes/IN...>
 
Publication 15 (Circular E) Employer's Tax Guide
<a rel="nofollow" target="_blank" href="https://www.irs.gov/pub/irs-pdf/p15.pdf">https://www.irs.gov/pub/irs-pdf/p15.pdf</a>

Form 941 Employer's Quarterly federal tax return
<a rel="nofollow" target="_blank" href="http://www.irs.gov/pub/irs-pdf/f941.pdf">http://www.irs.gov/pub/irs-pdf/f941.pdf</a>  

Form 941 Instructions Employer's Annual FUTA return
<a rel="nofollow" target="_blank" href="http://www.irs.gov/pub/irs-pdf/i941.pdf">http://www.irs.gov/pub/irs-pdf/i941.pdf</a>

Form 940
<a rel="nofollow" target="_blank" href="http://www.irs.gov/pub/irs-pdf/f940.pdf">http://www.irs.gov/pub/irs-pdf/f940.pdf</a>

Instructions for form 940
<a rel="nofollow" target="_blank" href="http://www.irs.gov/pub/irs-pdf/i940.pdf">http://www.irs.gov/pub/irs-pdf/i940.pdf</a>