Civil / Mechanical / Electrical Engineer (PE) Invoice Template for Oklahoma

Free civil / mechanical / electrical engineer (pe) invoice template for Oklahoma: OK sales tax 4.50% (services usually exempt), late fees capped at 1.5%/mo under Okla. Stat. tit. 15, §266. Edit, send by email, or download as PDF.

State sales tax
4.5%
Late fee cap
1.5%/mo
Pre-filled lines
4
Cost
Free
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Oklahoma compliance baked into the template

  • Sales tax: 4.50% state rate. Generally exempts most services. State 4.5%; combined commonly 8-10%.
  • Late fees: Up to 1.5% per month under Okla. Stat. tit. 15, §266. Default 6%/yr; contract rates up to 10%/yr without supervised licensing.

Civil / Mechanical / Electrical Engineer (PE) invoice fields

  • Project fee — flat
  • Hourly engineering — hour, default $175
  • PE stamp & sealing — flat
  • Site visit — flat
State
OK
Avg invoice
$6,500
Net terms
30 days
Deposit
25%

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