El agente denunciante identifica la matrícula del vehículo.

In this context, agente denunciante is a formal legal/administrative expression. It means the officer or official who files the report or complaint, often the officer who issues the traffic citation.

A learner might think denunciante means someone who denounces in a dramatic or emotional sense, but here it is much more technical: the reporting officer.

Because in Spanish, descriptive words often come after the noun.

So:

• el agente = the officer
• denunciante = reporting / complainant / filing the report

Together, el agente denunciante means the reporting officer.

Putting it after the noun is the normal, neutral order here, especially in formal language.

It functions a bit like both.

Here, denunciante is describing agente, so you can think of it as an adjectival noun or a noun used as a modifier. In practical terms, the important thing is that it tells you what kind of agent this is: the one who made the report.

This kind of structure is common in legal or official Spanish.

Here, matrícula means the vehicle’s registration number or license plate / number plate.

In Spain, matrícula is very commonly used for a vehicle’s registration plate or registration number.

Be careful: matrícula can mean other things in other contexts, such as:

• enrollment/registration at a school or university
• tuition/registration in some academic contexts

But with vehículo, the meaning is clearly about the car’s registration/plate.

Because de + el contracts to del in Spanish.

So:

• de + el vehículo → del vehículo

This contraction is required in normal Spanish, except when El is part of a proper name.

Examples:

• la puerta del coche
• el color del edificio

So la matrícula del vehículo simply means the vehicle’s registration/plate.

Spanish uses definite articles more often than English does.

In this sentence:

• El agente denunciante = the reporting officer
• la matrícula = the registration/plate
• del vehículo = of the vehicle

In official or formal Spanish, this is especially normal. English might sometimes omit an article where Spanish keeps it, but here all of them sound natural and expected.

Identifica is the third-person singular present indicative of identificar.

So it means:

• he/she identifies
• the officer identifies

In official writing, the present tense is often used to describe actions in a neutral, factual way. Depending on context, English might translate it as:

• identifies
• is identifying
• records
• notes down

Yes, very closely.

It is a transitive verb, so it takes a direct object:

• identifica la matrícula

That means the officer is identifying, verifying, or recording the registration/plate.

In official contexts, identificar can sometimes sound broader than everyday English identify. It may mean:

• to establish what something is
• to verify it
• to record its details correctly

Because la matrícula is a thing, not a person.

Spanish often uses the personal a with specific people as direct objects:

• Veo a María.
• El agente identifica al conductor.

But with things, you normally do not use a:

• identifica la matrícula
• revisa el documento
• anota la dirección

So la matrícula does not need a.

Yes, but vehículo is more formal and more general.

• coche = car
• vehículo = vehicle

Official, legal, and administrative Spanish often prefers vehículo because it can refer to any vehicle, not only a car.

So in a police or traffic context, vehículo sounds more natural than coche.

Yes. Both are possible.

• la matrícula del vehículo
• el número de matrícula del vehículo

The second version is more explicit, but matrícula alone is very common and completely natural in Spain when talking about vehicles.

Yes, but the original version is the most neutral and standard:

• El agente denunciante identifica la matrícula del vehículo.

Spanish can change word order for emphasis, for example:

• La matrícula del vehículo la identifica el agente denunciante.

That version is grammatical, but it sounds more marked or emphatic. For a learner, the original sentence is the best model to follow.

Normally, denunciante stays the same.

It is one of those words ending in -nte that usually do not change form for gender:

• el agente denunciante
• la agente denunciante

The article and surrounding words tell you the gender, not the ending -nte itself.