Úleva od poplatku je v obecně závazné vyhlášce.

Here úleva means something like relief, reduction, or exemption. In this context, úleva od poplatku is best understood as a fee reduction or an exemption from a fee, depending on the exact legal context.

Grammatically, úleva is a feminine noun.

Because the noun úleva commonly goes with od + genitive when it means relief from something.

So:

• od = from
• poplatek = fee
• poplatku = genitive singular of poplatek

That gives:

• úleva od poplatku = relief/exemption from a fee

This is a normal Czech pattern. After od, you usually expect the genitive.

Because od requires the genitive case.

The basic form is:

• poplatek = fee

After od, it becomes:

• od poplatku = from the fee

So this is just a case change:

• nominative: poplatek
• genitive singular: poplatku

Because the preposition v meaning in requires the locative case.

The dictionary form is:

• obecně závazná vyhláška

After v, it changes to locative singular:

• v obecně závazné vyhlášce

Both the adjective and the noun have to match the locative form:

• závazná → závazné
• vyhláška → vyhlášce

So the whole phrase changes because it is after v.

This is a fixed legal expression. It means a generally binding ordinance/bylaw/decree.

Word by word:

• obecně = generally
• závazná = binding
• vyhláška = ordinance, decree, regulation

In many real-life contexts, this refers to a municipal ordinance or another officially issued regulation.

The subject is Úleva od poplatku.

That whole noun phrase functions as the subject:

• Úleva = the head noun
• od poplatku = a prepositional phrase describing what kind of relief it is

So the sentence structure is basically:

• Úleva od poplatku = subject
• je = is
• v obecně závazné vyhlášce = in the generally binding ordinance

In the present tense, Czech normally does omit forms of být (to be) in some situations, but not usually in standard neutral prose like this.

So:

• Úleva od poplatku je v obecně závazné vyhlášce. = normal, complete sentence

If you removed je, the result would sound very incomplete or unnatural here.

So yes, Czech can sometimes omit to be, especially in headlines, notes, or informal styles, but in this sentence je is the standard form.

Because Czech has no articles.

English needs:

• the fee
• a fee
• the ordinance

Czech simply uses the noun without an article:

• poplatek
• vyhláška

Whether it means a, the, or something more general is understood from context.

Not completely. Czech word order is more flexible than English, because case endings show the grammatical relationships.

The neutral order here is:

• Úleva od poplatku je v obecně závazné vyhlášce.

But other orders are possible for emphasis, for example:

• V obecně závazné vyhlášce je úleva od poplatku.

This would put more focus on where the exemption is found.

So the original sentence is natural and neutral, but it is not the only possible order.

Because obecně modifies the adjective závazná/závazné, not the noun directly.

So:

• obecně = generally
• závazná vyhláška = binding ordinance
• obecně závazná vyhláška = generally binding ordinance

Then after v, the adjective changes form to match the noun:

• obecně závazná vyhláška
• v obecně závazné vyhlášce

Notice that obecně does not change form, because adverbs do not decline.

It is locative singular.

Why? Because it comes after v in the meaning in:

• v + locative

So:

• dictionary form: vyhláška
• locative singular: vyhlášce

This is a very common pattern with v and na when they express location.

Yes, in a legal or administrative sense. Je v obecně závazné vyhlášce means that the exemption is contained in, stated in, or provided for in the ordinance.

So v here is not just physical location. It often means in a text, in a law, in a rule, in a contract, and so on.

Examples of the same idea:

• Je to v zákoně. = It is in the law.
• Je to ve smlouvě. = It is in the contract.

A native speaker would most likely understand it as:

• The fee exemption/reduction is set out in the generally binding ordinance.

In smoother English, depending on context, you might also say:

• The exemption from the fee is contained in the ordinance.
• The fee relief is provided for in the ordinance.

So the sentence sounds formal and administrative, which fits the legal vocabulary used.