Implied consent — South Dakota Permit Test

Implied consent on the South Dakota permit test — 4 rules, each with the reason behind it and a question on it while it is fresh.

The rules

You give your consent for a chemical test whenever you drive on a public highway, and under South Dakota’s implied consent law you must take a BAC test if a police officer asks.

Without the test a drunk driver could simply say no and keep driving the next day.

You give your consent for a chemical test whenever you drive on a public highway.

South Dakota Driver License Manual, p.20

You can lose your driver license for 1 year if you refuse to take a BAC test.

Refusing the test does not save the license; it costs a full year off the road.

You can lose your driver’s license for one year if you refuse to take a BAC test.

South Dakota Driver License Manual, p.20

An alcohol concentration test is usually a breath, blood or urine test.

Without a measured test, a driver who looks sober but is not would stay on the road.

An alcohol concentration test measures how much alcohol is in your system and is usually determined by a breath, blood, or urine test.

South Dakota Driver License Manual, p.20

Implied consent law applies in the state where you were arrested, not the state where you got your license.

A visitor who thinks home-state rules protect them still loses driving rights where they were caught.

Although implied consent laws vary by state, the law applies to the state where you were arrested, not the state where you got your license.

South Dakota Driver License Manual, p.20

On the test

Under South Dakota’s implied consent law, when have you agreed to a chemical test?

Whenever you drive on a public highway. Without the test a drunk driver could simply say no and keep driving the next day. South Dakota Driver License Manual, p.20: “You give your consent for a chemical test whenever you drive on a public highway.”

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Where these come from

Every rule here is checked against South Dakota Driver License Manual, published by the South Dakota Department of Public Safety, and against the state code itself. Last checked 2026-10-04.