How to Invoice as a Locksmith in Great Falls, MT

Invoicing guide for locksmiths in Great Falls: 0% MT sales tax, 1.5%/mo late-fee cap, plus MT licensing and contractor rules.

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

1. Great Falls-specific tax handling

  • State sales tax: 0%. Local jurisdictions in Great Falls may add their own rate — verify with your local tax assessor.
  • Late fees: MT statute Mont. Code §31-1-106 caps interest on unpaid invoices at 1.5% per month.

2. Standard locksmith line items

  • Service call — billed by flat (~$75 default).
  • Labor — billed by hour (~$95 default).
  • Hardware — billed by itemized.
  • After-hours surcharge — billed by pct.

3. Payment terms that work in Great Falls

Net 0 is standard for locksmiths.0 Accept card and ACH on the invoice itself — Great Falls customers expect a one-click payment link in their inbox.

4. Licensing & disclosures

Licensed in 15+ states (TX, CA, NJ, etc.). FBI background check required for licensing in most.

Metro
Great Falls
State
MT
Net terms
0 days
Deposit
0%

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