Prepositions after verbs

Stipulate in or stipulate by?

Stipulate commonly takes a direct object or appears with in when referring to a document or agreement. By usually introduces a method or deadline, not a fixed verb-preposition pattern.

Quick answer

Which preposition is correct with stipulate?

Use stipulate in when you mention the document, contract, or rule containing a condition. Stipulate by is not a standard fixed combination after the verb; by usually adds separate information such as a deadline or method.

The payment terms are stipulated in the contract.
The law stipulates strict safety checks.
The parties agreed to finish the work by Friday.

Choose the pattern by meaning

These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.

1
stipulate in + document

Showing where a condition is stated

Use in to name the contract, law, agreement, or document containing the condition.

The refund policy is stipulated in the user agreement.
Several exceptions are stipulated in the regulations.
2
stipulate + condition

Naming the requirement directly

Stipulate is often followed directly by the condition or requirement.

The lease stipulates a six-month notice period.
The rules stipulate that helmets must be worn.
3
stipulate for + requirement

Referring to something provided or required

Stipulate for is formal and means require or arrange for something in an agreement.

The contract stipulates for annual inspections.

See the difference in context

The same subject can take different constructions because each sentence answers a different question.

Construction
Example
Meaning
stipulate in
The limits are stipulated in the contract.
Correct for showing the document or text containing the condition.
stipulate by
The agreement stipulates completion by June.
By introduces a deadline, not a fixed combination with stipulate.
stipulate + noun clause
The policy stipulates that all visitors sign in.
Very common structure for stating a rule or condition.

Common mistakes

Some combinations appear in real text but do not mean what learners often assume.

Using by as the selected preposition

By usually gives extra information such as time or method, not the object of stipulate.

✕ The rule stipulates by the contract. ✓ The rule is stipulated in the contract.

Adding an unnecessary preposition

Stipulate can take a direct object without a preposition.

✕ The law stipulates about safety training. ✓ The law stipulates safety training.

Quick practice

Choose the expression that matches the intended meaning.

1. The inspection schedule is ___ the agreement.
2. The contract stipulates completion ___ October.
3. The policy stipulates ___ employees must wear badges.

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Frequently asked questions

Can stipulate be used without a preposition?

Yes. It often takes a direct object or a that-clause, such as stipulate conditions or stipulate that payment is due monthly.

Is stipulate by correct?

Not as a fixed verb-preposition pattern. By is normally part of a time expression such as by Friday.

What kinds of nouns follow stipulate in?

Usually documents or formal texts, such as contracts, agreements, policies, or laws.

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