South Dakota Late Fee Calculator

Find the legal maximum late fee in South Dakota. Based on S.D. Codified Laws §54-3-16 (legal rate of interest).

Max per month
1.25%
Annualized cap
15%
Written agreement
Required
Grace period
0 days
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South Dakota Late Fee Calculator

Based on S.D. Codified Laws §54-3-16 (legal rate of interest)

Late fee owed$12.50

QuickBillMaker applies late fees automatically based on your configured policy. Set it once and stop chasing payments by hand.

How South Dakota late fees work

In South Dakota, late payment fees on commercial invoices are governed by S.D. Codified Laws §54-3-16 (legal rate of interest). The legal maximum is 1.25% per month (15% annualized). Legal rate 10% per year; written contracts may set up to 15% per year. Commercial contracts have no cap.

The fee must be stated in a written agreement before the work is performed. Without a written rate, only the statutory default rate applies.

South Dakota prompt-pay law

South Dakota Prompt Payment Act (S.D. Codified Laws §5-26-1; §44-9A for construction) Construction subs paid within 30 days of GC receiving payment.

Stop calculating late fees by hand

QuickBillMaker applies your South Dakota late fee rate automatically when invoices go overdue.

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