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.
Plumber invoice fields
- Service call fee — flat, default $95
- Labor — hour, default $110
- Materials — itemized
State
OK
Avg invoice
$485
Net terms
14 days
Deposit
30%