Civil / Mechanical / Electrical Engineer (PE) Invoice Template for South Dakota

Free civil / mechanical / electrical engineer (pe) invoice template for South Dakota: SD sales tax 4.20% (applies to services), late fees capped at 1.5%/mo under S.D. Codified Laws §54-3-4. Edit, send by email, or download as PDF.

State sales tax
4.2%
Late fee cap
1.5%/mo
Pre-filled lines
4
Cost
Free
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South Dakota compliance baked into the template

  • Sales tax: 4.20% state rate. Applies to services rendered. State 4.2%; applies broadly to services. Combined commonly 6-7%.
  • Late fees: Up to 1.5% per month under S.D. Codified Laws §54-3-4. Default 10%/yr; no usury cap (contract rates allowed).

Civil / Mechanical / Electrical Engineer (PE) invoice fields

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

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