Vi justerer budsjettposten så langt råd er.

It is a compound noun:

• budsjett = budget
• post = item, entry, line
• budsjettpost = budget item / budget line
• budsjettposten = the budget item / the budget line

Norwegian often makes one compound word where English might use two words.

The ending -en marks the noun as definite singular for many masculine nouns.

So:

• en budsjettpost = a budget item
• budsjettposten = the budget item

That tells you the sentence is talking about a specific budget item, not just any budget item.

Because justerer is the present tense of the verb å justere.

• å justere = to adjust
• jeg/vi/de justerer = I/we/they adjust / are adjusting

In Norwegian, the present tense form is the same for all persons:

• jeg justerer
• du justerer
• vi justerer

So Vi justerer simply means We adjust or We are adjusting, depending on context.

Here så is part of the fixed expression så langt.

• så langt literally = so far / as far

In this sentence, så langt råd er is an idiomatic expression meaning something like as far as possible or to the extent possible.

So så is not really standing alone here; it belongs with langt.

Because langt is about extent or how far, while lenge is about duration or how long in time.

• så langt = as far / to this extent
• så lenge = for this long / as long as

This sentence is about the degree to which something can be adjusted, not about time, so så langt is the right choice.

Not in this sentence.

råd can mean:

• advice
• means / resources / ability / possibility

In så langt råd er, it uses the older/formal sense means / possibility / what is feasible.

So here råd is closer to:

• what is possible
• what circumstances allow
• what resources permit

That is why the whole phrase means something like as far as possible.

Because råd is being used in an idiomatic, somewhat fixed expression: så langt råd er.

You are not meant to read it as a normal noun phrase like:

• et råd = an advice/a piece of advice (though this is not the usual everyday phrasing)
• rådet = the advice / the council

Instead, råd here behaves more like part of a set expression with an abstract meaning. That is why there is no article.

This is because så langt råd er is an established expression with a somewhat old-fashioned or formal structure.

In more ordinary modern Norwegian, learners are used to seeing finite verbs earlier in the clause, but some fixed expressions preserve older or more formal patterns.

You can think of råd er as meaning roughly is possible or allows inside that idiom. It is best learned as a chunk:

• så langt råd er = as far as possible

It is understandable, but it sounds formal, written, and a bit bureaucratic or official.

In everyday speech, people often prefer expressions like:

• så langt det lar seg gjøre = as far as can be done / as far as possible
• så langt det er mulig = as far as possible
• så langt mulig = as far as possible

So the original sentence has a slightly official-administrative tone.

Because budsjettposten is the direct object of justerer, and så langt råd er is an adverbial phrase telling you to what extent the adjustment is made.

Basic structure:

• Vi = subject
• justerer = verb
• budsjettposten = object
• så langt råd er = adverbial phrase

So the sentence follows a very normal order:

Subject + Verb + Object + Adverbial

Yes.

Norwegian present tense often covers both meanings that English separates:

• We adjust
• We are adjusting

Which one sounds best depends on context. In administrative or policy language, We adjust the budget item... is often the more natural English choice.

Yes: så langt råd er.

Even if you can analyze the individual words, the whole phrase is best learned as a fixed expression meaning:

• as far as possible
• to the extent possible

That will help you recognize it quickly in formal written Norwegian.

Yes. A few common alternatives are:

• Vi justerer budsjettposten så langt det er mulig.
• Vi justerer budsjettposten så langt det lar seg gjøre.
• Vi justerer budsjettposten så langt mulig.

These all keep roughly the same meaning, but the original version sounds more formal and compact.