Страховая сумма и страховая выплата указаны для выгодоприобретателя.

Because the subject is actually two things joined by и:

• страховая сумма = the insured sum / sum insured
• страховая выплата = the insurance payout / insurance payment

Together they form a plural subject, so указаны is plural: are indicated / are specified.

If there were only one item, you would get singular:

• Страховая сумма указана... = The insured sum is indicated...
• Страховая выплата указана... = The insurance payout is indicated...

Указаны is the short form passive participle, and in this sentence it works like the predicate: are indicated / are specified.

This is very common in formal and written Russian:

• Документы подписаны. = The documents are signed.
• Данные указаны в заявлении. = The data are indicated in the application.

Указанные is the full form, which usually functions more like an adjective before a noun:

• указанные данные = the specified data
• указанные условия = the stated conditions

So here:

• Страховая сумма и страховая выплата указаны... = correct

but

• Страховая сумма и страховая выплата указанные... = not correct in this structure

Because it comes after the preposition для, which normally requires the genitive case.

So:

• для выгодоприобретателя = for the beneficiary

Base form:

• выгодоприобретатель = beneficiary

After для, it becomes:

• выгодоприобретателя = of/for the beneficiary

This is a standard pattern:

• для клиента = for the client
• для страхователя = for the policyholder
• для получателя = for the recipient

It is a formal legal/insurance word meaning beneficiary — the person who receives the benefit or payout under the policy.

It is not an everyday conversational word. You are most likely to see it in:

• insurance documents
• contracts
• legal or financial texts

In normal conversation, a Russian speaker might explain it with simpler words if needed, but in official documents выгодоприобретатель is the standard term.

In the present tense, Russian usually does not use a separate verb corresponding to English am / is / are.

So:

• Страховая сумма и страховая выплата указаны...

literally looks like:

• Insurance sum and insurance payout indicated...

but naturally means:

• The insured sum and the insurance payout are indicated...

This is normal in Russian. Compare:

• Он врач. = He is a doctor.
• Документы готовы. = The documents are ready.

They are in the nominative case, because they are the subject of the sentence.

You can tell from the forms:

• страховая сумма
• страховая выплата

Both noun phrases are feminine singular nominative, and together they make a plural subject.

Their adjectives agree with the nouns:

• страховая
  • сумма
• страховая
  • выплата

Both nouns are feminine, so the adjective takes the feminine form страховая.

Yes, Russian can sometimes omit the repeated adjective:

• страховая сумма и выплата

But repeating страховая is often clearer, especially in formal, legal, or technical language. It makes it explicit that both terms belong to the insurance context:

• страховая сумма = insured sum
• страховая выплата = insurance payout

In official documents, repetition is often preferred because it reduces ambiguity.

Not always. In this kind of formal sentence, указаны can often be translated in several natural ways depending on context:

• are indicated
• are specified
• are stated
• are listed

In legal, administrative, and insurance language, specified or stated often sounds more natural than indicated in English.

So the Russian word is broad, and the best English choice depends on the document.

No, Russian word order is fairly flexible, though this version is the most neutral and document-like.

The sentence:

• Страховая сумма и страховая выплата указаны для выгодоприобретателя.

is a standard formal order:

1. subject
2. predicate
3. prepositional phrase

You might also see different orders for emphasis, for example:

• Для выгодоприобретателя указаны страховая сумма и страховая выплата.

This puts more focus on for the beneficiary.

Even when the order changes, the cases and agreement still show how the sentence fits together.

Yes, it sounds natural in a formal written context, especially in:

• insurance policies
• benefit descriptions
• contract summaries
• official forms

It does not sound conversational. In everyday speech, people would usually say something simpler.

This sentence has a typical bureaucratic/legal style:

• technical vocabulary
• passive construction
• compact wording

That is very normal for insurance Russian.