How to Invoice as a Registered Dietician in Decatur, IL

Invoicing guide for registered dieticians in Decatur: 6.25% IL sales tax, 1.5%/mo late-fee cap, plus IL licensing and contractor rules.

Combined sales tax
6.25%
Late fee cap
1.5%/mo
Net terms
30 days
Deposit
0%
Create your first invoice freeSee pricing

1. Decatur-specific tax handling

  • State sales tax: 6.25%. Local jurisdictions in Decatur may add their own rate — verify with your local tax assessor.
  • Late fees: IL statute 815 ILCS 205/4 (Interest Act) caps interest on unpaid invoices at 1.5% per month.

2. Standard registered dietician line items

  • Initial assessment — billed by flat (~$220 default).
  • Follow-up session — billed by session (~$95 default).
  • Meal-plan package — billed by flat.
  • Insurance billing — billed by flat.

3. Payment terms that work in Decatur

Net 30 is standard for registered dieticians.0 Accept card and ACH on the invoice itself — Decatur customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

RD/RDN credential plus state license required in most states. Medical-nutrition-therapy CPT codes for insurance claims.

Metro
Decatur
State
IL
Net terms
30 days
Deposit
0%

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