Die Vertragsverlängerung steht im Kleingedruckten.

Because Vertragsverlängerung is a feminine noun in German, so it takes the article die in the nominative singular.

A useful shortcut here is that nouns ending in -ung are almost always feminine:

• die Verlängerung = extension
• die Rechnung = bill/invoice
• die Bedeutung = meaning

Since Vertragsverlängerung is built on Verlängerung, it stays feminine:

• der Vertrag = contract
• die Verlängerung = extension
• die Vertragsverlängerung = contract extension / renewal

This is a classic German compound noun:

• der Vertrag = contract
• die Verlängerung = extension

Together they form:

• Vertragsverlängerung = contract extension / contract renewal

The -s is a linking element, often called a Fugen-s. It does not always have a separate meaning; it just helps connect the parts of the compound naturally.

So:

• Vertrag
  • Verlängerung
• becomes Vertragsverlängerung

German uses compounds much more freely than English, so one long noun is very normal.

Literally, stehen means to stand, but in this sentence it means something like:

• is written
• appears
• is stated

So Die Vertragsverlängerung steht im Kleingedruckten means that the contract renewal is mentioned in the fine print.

This is a very common use of stehen in German when talking about written text:

• Das steht im Vertrag. = That is written in the contract.
• Was steht auf dem Schild? = What does the sign say?
• Es steht in der E-Mail. = It says so in the email.

Im is just the contraction of in dem:

• in dem → im

So:

• im Kleingedruckten = in the fine print

German uses in + dative here because the meaning is location, not movement. The information is in the fine print; nothing is moving into it.

Compare:

• Es steht im Vertrag. = It is in the contract. → location → dative
• Ich lege es in den Vertrag. = I put it into the contract/folder. → movement → accusative

So im is correct because this sentence describes where something is written.

Because Kleingedruckte is being used as a nominalized adjective, and here it is in the dative singular after im (= in dem).

Breaking it down:

• base idea: kleingedruckt = printed in small type
• as a noun: das Kleingedruckte = the fine print

In the nominative:

• das Kleingedruckte

In the dative after in dem / im:

• dem Kleingedruckten
• therefore: im Kleingedruckten

This is the same pattern you see with other nominalized adjectives:

• das Gute → im Guten
• das Neue → im Neuen
• das Kleingedruckte → im Kleingedruckten

It is an adjective/participle being used as a noun, which is very common in German. This is called nominalization.

• kleingedruckt literally means printed in small type
• das Kleingedruckte means the fine print

German does this a lot:

• der Alte = the old man
• die Deutsche = the German woman
• das Wichtigste = the most important thing
• das Kleingedruckte = the fine print

A useful clue is capitalization: once it functions as a noun, it is capitalized.

Yes. Die Vertragsverlängerung is the subject.

You can tell because:

• it is in the nominative form
• the verb agrees with it: steht (3rd person singular)

Structure:

• Die Vertragsverlängerung = subject
• steht = verb
• im Kleingedruckten = prepositional phrase telling you where it is stated

So the sentence pattern is:

Subject + verb + location/information phrase

Because German main clauses normally follow the verb-second rule, often called V2.

In this sentence:

• Die Vertragsverlängerung = first element
• steht = second element
• im Kleingedruckten = rest of the sentence

So the sentence is perfectly regular:

• Die Vertragsverlängerung steht im Kleingedruckten.

You could also move another element to the front, but the verb would still stay second:

• Im Kleingedruckten steht die Vertragsverlängerung.

That version is also grammatical, but it puts more emphasis on im Kleingedruckten.

It is basically both.

Literally, it says the contract renewal is written in the fine print.

Idiomatic force: it often suggests that something important is hidden in small, less noticeable text, possibly in a slightly sneaky or easy-to-miss way.

So depending on context, it can simply be descriptive, or it can imply:

• You only notice it if you read carefully
• It may not have been made very obvious

Yes, but it means something slightly different.

• Die Vertragsverlängerung steht im Kleingedruckten.
  = The contract renewal is stated/mentioned in the fine print.

• Die Vertragsverlängerung ist im Kleingedruckten.
  = The contract renewal is in the fine print.

The version with steht sounds more natural when talking about written content, because German often uses stehen for things written in text.

So ist is understandable, but steht is usually the more idiomatic choice.

They mean essentially the same thing:

• die Vertragsverlängerung
• die Verlängerung des Vertrags

The first is a compound noun, which is very typical and efficient in German. The second uses a genitive phrase.

In many contexts, the compound sounds more natural and compact, especially in formal or administrative language.

Compare:

• die Vertragsverlängerung = the contract renewal
• die Verlängerung des Vertrags = the extension of the contract

German often prefers the compound where English might more naturally use a phrase.