Shortening the MPU proof of abstinence – the whole truth
Key statement: A based on the diagnostic classification required proof of abstinence is cannot be shortenedHowever, in many cases... no proof required – this will be professionally reviewed on a case-by-case basis. Our Traffic psychologists clarify this with you in advance.
For more details, see the sections on Alcohol MPU, to Drug MPU as well as general MPU processOfficial information is also provided by the Federal Highway Research Institute (BASt).
Shortening the abstinence period for the MPU (Medical-Psychological Assessment): Is that possible?
Many affected individuals are looking for a way to... Shortening the MPU abstinence proof periodThe clear, expert answer is: NoIf a period of abstinence of 6, 12 or 15 months If required, this period must be fully documented.
More important than shortening the period: Checking whether abstinence is even necessary.
At the same time, consulting practice often shows that roughly every second request already starts with ongoing evidence, although in this specific case... would not have been necessaryThe reason: Information from forums, Google, or ChatGPT often leads to the blanket assumption that a medical-psychological assessment (MPU) automatically means abstinence. However, the crucial factor is... diagnostic classification – not a precautionary logic of “better too much than too little”.
If abstinence is professionally necessary, it cannot be shortened. This makes the preceding question all the more important: Is proof of abstinence really necessary in each individual case – and if so, for how long?
- Clarification with traffic psychologists
- free of charge & without obligation
- via video or telephone
MPU proof of abstinence: When does it no longer apply?
- Alcohol < 1,6 ‰ and no evidence of regularity
- MPU due to points/violations without substances
- Cannabis: controlled consumption possible – new since 5th edition (2026) are in suitable D3 cases to 0 months often possible if controlled cannabis use is professionally feasible
Detailed explanation: Proof of abstinence for 6 or 12 months
Proof of abstinence: Alcohol & drugs at a glance
| Example | Duration of abstinence | Diagnosis |
|---|---|---|
| Alcohol | ||
| 1,6–2,0 ‰ (without symptoms of failure)Indications of regularity | 6-12 months (in rare cases no evidence of diagnosis A3) | A2 or A3 |
| 2,0–2,5 ‰ | 12 months (in rare cases 0–6 months for A3) | A2 or A3 |
| > 1,6 ‰ + repetition | 12 months (in rare cases 0–6 months for A3) | A2 or A3 |
| ≥ 2,5 ‰ | 12 months | A2 |
| Alcohol addiction | 12 months (with therapy) 15 months (without) | A1 |
| Drugs | ||
| Cannabis: controlled consumption possibleNew since edition 5 (2026), in suitable D3 cases | 0 months often possible if controlled cannabis use can be professionally and justifiably classified. | D3 |
| Cannabis abuseFirst offense, low to medium values | 6-12 months | D3 |
| Cannabis: high blood levelshigh THC and THC-COOH levels | 15 months With withdrawal treatment, usually 12 months | D2 |
| Harder drugse.g. cocaine, amphetamines | 15 months 12 months with therapy | D2 |
| Drug addiction | 12 months (with therapy) 15 months (without) | D1 or D2 |
Shortening the MPU proof of abstinence: What is really possible?
- Shortening is not possible. If the diagnosis requires 6, 12 or 15 months, this period must be completed in full.
- It’s worth checking carefully: Those affected often maintain longer periods of abstinence than necessary. This is not harmful, but often unnecessarily complicated. This is especially true with cannabis since... 5th edition (2026) in suitable D3 cases also a classification with 0 Monaten Possible – the crucial factor is the professional viability of controlled consumption.
More info: MPU questions, MPU failure rate and MPU consulting.
FAQ – Shortening the MPU abstinence proof period
★ Is it possible to shorten the abstinence verification period for the MPU (Medical-Psychological Assessment)?
No. If a period of abstinence (e.g., 6, 12, or 15 months) is required for diagnostic purposes, this entire period must be documented. A reduction of this period is not permitted.
? When is proof of abstinence actually necessary for the MPU (Medical-Psychological Assessment)?
Whether proof of abstinence is necessary does not depend "generally on the MPU" but on the individual assessment: reason, file situation, consumption patterns and the question of whether stable changes need to be verifiably documented.
? Why do many people unnecessarily start with abstinence certificates?
In our consulting practice, we frequently observe that roughly half of all inquiries begin with supporting documentation that would not have been necessary in the specific case. A common cause is general information from forums, search engines, or individual opinions that don't accurately reflect the current situation.
? What is more important than "shortening"?
Clarify before starting, ob and how long Abstinence may be required in individual cases. This avoids unnecessary months, costs, and delays – without jeopardizing the MPU (Medical-Psychological Assessment).
? If I'm already accumulating abstinence: Can I prove "too much"?
Additional months generally don't hurt – however, they are often unnecessarily time-consuming. The crucial point is that the evidence is technically appropriate and that the overall presentation is consistent with the classification.
? What are the typical durations of abstinence?
Depending on the initial situation, proof of abstinence can be provided via 6, 12 or 15 months The required duration will be determined on a case-by-case basis according to the diagnostic classification.
? How do I find out what duration is right in my case?
This will be reviewed on a case-by-case basis – a professional assessment based on your situation and the relevant documents is advisable. If you wish, we can discuss this further in a consultation. free initial consultation.