Square numbers according to GOST: all standards, sizes and installation nuances in

What are square license plates and why are they needed?

Square license plates are an alternative format for state registration plates, which is regulated by GOST R 50577-2018. Unlike standard rectangular numbers (520×112 mm), square ones have dimensions 280×200 mm and are intended for installation on motorcycles, mopeds, scooters, ATVs, as well as some types of special equipment. Their key advantage is their compactness, which is especially important for vehicles with limited mounting space.

From January 1, 2019, square numbers became mandatory for all two-wheeled and three-wheeled vehicles (categories L1–L5, L7), as well as for self-propelled vehicles of the category A (for example, mini-tractors). This change was introduced to unify standards and combat counterfeiting. However, many car owners still confuse the requirements for such license plates, which leads to fines or problems when passing inspection.

In this article we will look at:

• 📏 Exact dimensions and tolerances according to GOST (including material thickness and corner radius)
• 🔧 Fastening rules: where you can install and where you can’t
• 🚨 Fines for incorrect numbers (including regional differences)
• 🔄 How to replace old numbers to new ones according to GOST 2026

We will pay special attention new requirements for reflective coating, which came into force on March 1, 2023 - now the plates must maintain visibility in the dark at a distance of at least 20 meters (previously it was 15 m). This also applies to square signs.

GOST R 50577-2018: basic requirements for square numbers

Current standard GOST R 50577-2018 “State registration signs of vehicles. Types and main sizes. Technical Requirements” clearly regulates the parameters of square numbers. Here are the key points:

• 📐 Dimensions: 280 mm × 200 mm (±2 mm). A diagonal deviation of no more than 1 mm is allowed.
• 🔳 Form: rectangle with rounded corners (rounding radius - 6±1 mm).
• 🎨 Colors:
  • White background - for private vehicles (motorcycles, scooters).
  • Yellow background - for commercial vehicles (taxi, courier motorcycles).
  • Red background is for transit numbers.
• 🔦 Retroreflection: reflection coefficient of at least 0.4 cd·lux⁻¹·m² (measured at an angle of 12°).
• 🛡️ Material: aluminum 1–1.2 mm thick or plastic with a metallized layer (for temporary numbers).

Important: from 2022 it is prohibited to use numbers with laser engraving — now the symbols should be applied using the method stamping or thermal printing followed by coating with protective varnish. This is due to the increasing number of cases of counterfeiting, when fraudsters erased laser symbols and applied new ones.

Parameter	Requirement according to GOST	Permissible deviation
Sign width	280 mm	±2 mm
Sign height	200 mm	±2 mm
Aluminum thickness	1.0–1.2 mm	±0.1 mm
Character height	75 mm (numbers), 50 mm (letters)	±1 mm
Character spacing	10 mm	±0.5 mm

Please note: if you order rooms through private organizations (not through the traffic police), they are required to provide certificate of conformity to GOST. Without this document, the license plates may be declared invalid, and you may be fined 5,000 rubles (Part 2 of Article 12.2 of the Code of Administrative Offenses of the Russian Federation).

Where and how to attach square numbers: legal methods

The rules for installing square numbers are specified in Traffic regulations (clause 4 “Basic provisions for vehicle approval”) and Technical Regulations of the Customs Union 018/2011. Here are the key requirements:

⚠️ Attention: Numbers must be assigned strictly vertical (deviation of no more than 3° is allowed). A tilted or inverted mount (“upside down”) is equated to their absence and is punishable by a fine of 5,000 rubles or deprivation of rights for 1–3 months (Part 2 of Article 12.2 of the Administrative Code).

• 🏍️ Motorcycles/scooters: number is attached to rear wing or a special stand. It is prohibited to install it on the trunk or under the seat.
• 🚜 ATVs/snowmobiles: The number must be visible from behind at a distance of at least 20 meters in the dark. Can be mounted on the frame or rear of the body.
• 🚛 Self-propelled vehicles (mini-tractors, excavators): the number is installed on the rear of the machine, and it should not be covered by attachments.

For fastening it is allowed to use:

• 🔩 Bolts/nuts with seals (if provided for by the design).
• 🧲 Magnetic holders (only if they do not cover the symbols or distort their visibility).
• 🔗 Plastic ties (for temporary numbers).

Prohibited: wire, tape, double-sided tape, as well as any fasteners that can damage the number (for example, self-tapping screws without spacers).

The number is located strictly vertically (deviation ≤3°)

Symbols are not covered by vehicle elements (headlights, trunk, equipment)

The number is visible in the dark at a distance of ≥20 m

The fastening does not damage the protective coating of the sign

There are no extraneous stickers or engravings-->

If your vehicle does not have a regular place for attaching a square number (for example, on some models Yamaha NMAX or Honda PCX), you will have to install additional bracket. Its design must correspond GOST R 41.49-2003 (about reflective devices). The bracket must not:

• 🚫 Advocate for vehicle dimensions of more than 200 mm.
• 🚫 Cover the rear light or brake light.
• 🚫 Have sharp edges (rounding radius ≥3 mm).

Fines for violations: what the penalty is for incorrect square numbers

Violations related to square numbers are regulated Code of Administrative Offenses of the Russian Federation (Article 12.2) and By Order of the Ministry of Internal Affairs No. 664. The amount of fines depends on the type of violation:

Violation	Fine (2026)	Additional measures
No number	5,000 rub. or deprivation of rights for 1–3 months.	Evacuation of vehicles to impound lot
The number is unreadable (dirt, damage)	500 rub. (or warning)	Requirement to eliminate the violation on the spot
The number was installed in violation of GOST (sizes, colors)	5,000 rub.	Removal of numbers
The number is closed or partially invisible	500 rub. or 5,000 rub. (if intentional)	—
Using fake numbers	Up to 200,000 rub. or compulsory work	Criminal liability (Article 327 of the Criminal Code of the Russian Federation)

An important nuance: if the traffic police inspector discovers that your square number does not correspond to GOST in size (for example, 275×195 mm instead of 280×200 mm), he has the right to issue a fine 5,000 rubles and withdraw number. In this case, you will be given 10 days to replace it, and until this moment you will not be able to drive the vehicle.

⚠️ Attention: In Moscow, St. Petersburg and some regions there are enhanced controls for motorcycles. For example, since 2023, raids have been carried out in the capital using automatic cameras, which record unreadable or incorrectly set numbers. The fine in this case is 5,000 rubles without the possibility of paying at a discount.

To avoid problems, check your number using the following criteria:

• 🔍 Character Clarity: Letters and numbers must not be erased or scratched.
• 🌈 Color: The white background should not turn yellow, and the black characters should not fade.
• 📏 Dimensions: Use a ruler or template to check (280x200mm).
• 💡 Retroreflection: Use a flashlight to illuminate the number in the dark - the symbols should be clearly visible.

How to replace old numbers with new ones according to GOST 2026

If you still have square numbers old style (manufactured before 2019), they need to be replaced. Here are the step-by-step instructions:

1. Check relevance: numbers issued before 2019 are valid until expiration of vehicle registration. After re-registration (for example, upon sale), you will be given new signs in accordance with GOST 2018.
2. Prepare your documents:
   • 📄 Owner’s passport.
   • 📄 PTS or STS.
   • 📄 OSAGO policy.
   • 📄 Receipt for payment of state duty (RUB 2,000 per pair of rooms).

Submit your application:

• 🖥️ Via Public services (30% discount on state duty).
• 🏛️ In any MREO traffic police department (by appointment).
• Get new numbers: production time is 1–3 working days.

If you change numbers ahead of schedule (for example, due to damage), you will need to write an application for the issuance of duplicates. In this case, the state duty will be 1,500 rubles per pair (instead of 2,000 rubles).

What to do if the traffic police refuses a replacement?

If you are refused to change your numbers without explanation, request a written refusal with justification. A common reason is a discrepancy between the data in the PTS and the STS. In this case, you must first resolve the discrepancies through a notary or court, and then resubmit the documents. The period for consideration of a complaint against a refusal is 30 days (Article 124 of the CAS RF).

Features for different regions:

• 🏙️ Moscow and Moscow region: number replacement only by appointment via Public services or terminals in MREO. The regular queue doesn't work.
• 🌉 St. Petersburg: Replacement without appointment is allowed, but with prepayment of the fee.
• 🏔️ Regions of the Far East: in some cities (for example, Vladivostok) they operate mobile traffic police stations for motorcyclists.

Common mistakes when choosing and installing square numbers

Even experienced car owners make mistakes when working with square numbers. Here are the most common:

1. Purchasing numbers without a certificate:

   Many people save by ordering numbers from non-certified workshops. However, such signs often fail to be tested for retroreflection and can be confiscated at the first inspection.

   💡

   Check the certificate on the website RosAccreditation — enter the document number in the search field.

2. Use of "Euronumbers":

   Rooms in style EU (with the Russian flag on the left) do not comply with GOST and are prohibited from use. Fine - 5,000 rubles.

3. DIY painting:

   If you have repainted the number (for example, from white to yellow for a taxi), this is equivalent to a fake. Punishment - up to 200,000 rubles fine

4. Fastening to unintended places:

   For example, on motorcycle trunk or under the seat. This violates clause 4 of the traffic rules and is punishable by a fine of 500 rubles.

5. Ignoring regional peculiarities:

   In some regions (for example, Crimea, Sevastopol) additional requirements apply to license plates for tourist equipment (ATVs, snowmobiles). Check with your local traffic police department.

Another common problem is scuff marks on numbers. Many motorcyclists ride off-road, which causes the signs to quickly become dirty. To avoid the unreadable character penalty:

• 🧼 Clean your room soft sponge (no abrasives).
• 🛡️ Apply protective varnish once every 2 years.
• 🚫 Do not use solvents or gasoline for cleaning - they destroy the reflective coating.

New rules for 2026: what has changed for square numbers

On January 1, 2026, amendments to GOST R 50577-2018 and Order of the Ministry of Internal Affairs No. 399, which touched the square numbers. Here are the key innovations:

• 🆔 New series for motorcycles: Numbers now use letters A, B, E, K, M, N, O, R, S, T, U, X (previously not all were available). This is due to the depletion of combinations in some regions (e.g. Moscow and Moscow region).
• 🔒 Enhanced Protection: the number is now printed on the reverse side QR code with vehicle data. You can check it through the app State Traffic Safety Inspectorate of Russia.
• 📡 Electronic binding: When registering a vehicle, the number is automatically linked to electronic PTS (if there is one). This makes duplicate fraud more difficult.
• 🚫 Ban on “beautiful” numbers: It is no longer possible to select combinations with repeating numbers (for example, AAA 111) for square signs. This rule is effective from March 1, 2026.

Also, from 2026, the requirements for readability of numbers in the dark. Now:

• Symbols must be visible from a distance 20 meters (previously - 15 m).
• If the number is even partially closed (for example, by a bicycle rack), this is equivalent to its absence.
• Prohibited use tinted or matte finishes on the numbers.

For owners electric motorcycles (for example, Zero FX or Energica Ego) additional requirements have been introduced: the number must be marked "E" sign in blue circle (designation of electric transport). Its absence is punishable by a fine 500 rubles.

💡

From 2026, if you lose a square number, you must be given a duplicate with the same number (previously they could have issued a new one). This rule is enshrined in Order of the Ministry of Internal Affairs No. 950 dated December 20, 2023.

FAQ: answers to frequently asked questions about square numbers

Is it possible to drive a car with a square license plate?

No, this is prohibited. Square numbers (280×200 mm) are intended only for motorcycles, mopeds, ATVs and self-propelled vehicles. For cars, standard plates measuring 520x112 mm are used. Penalty for incorrect format - 5,000 rubles (Part 2 of Article 12.2 of the Administrative Code).

What should I do if the number is bent or cracked?

If the number is deformed, it must be replaced. To do this:

1. Contact the traffic police MREO with your passport and STS.
2. Write an application for a duplicate (state fee - 1,500 rubles).
3. Hand over the damaged number (if you still have one).

You cannot drive with a bent number plate - this is equivalent to its absence (fine 5,000 rubles).

Is it possible to make a custom square number with your favorite numbers?

From March 1, 2026, the choice of “beautiful” combinations for square numbers prohibited. Numbers are issued automatically. Exception - auctions for unique numbers, which are carried out in some regions (for example, in Moscow). The cost of such rooms starts from 50,000 rubles.

Do I need to change the square numbers when selling a motorcycle?

Yes, when the owner of a vehicle changes, the plates must be replaced. The new owner must receive his registration plates within 10 days after the purchase. The old license plates remain with the previous owner (they can be handed over to the traffic police or stored).

What will happen if you don’t replace the old square numbers with new ones?

If your plates were issued before 2019, they can be used until expiration of the vehicle registration period. However, at the next technical inspection or re-registration, you will have to replace them with signs in accordance with GOST R 50577-2018. There is no fine for driving on old license plates, but the inspector may issue a warning.