require vs request

Some examples from the web:

• Insomnia is another common side effect and may require additional treatment.
• Such patients may require prolonged (sometimes life-long) therapy.
• The differentials are all sealed units and require minimal additional lubrication.
• Their powers require complex machinery to remain stable.
• Latest EC directives require manipulation-proof data transmission.
• But preparations require care... and insurance.
• I like cats and animals that require attention.
• Manuela's problems no longer require internment.
• Less-bloody approaches require fewer bullets but more planning...
• And not all bleeds require surgery.
• And insults to empires require answers.
• A few things that require your approval.
• Political kidnappings frequently require holding multiple adults simultaneously.
• There are always unexpected variables that require adjustments.
• Your people will still require safe haven.
• But those jobs require an education.
• Telekinetic powers require great discipline and judgment.
• Long-term diseases that require expensive medical care.
• Some algorithms require access in both directions.
• The 64-bit versions require a CPU that supports certain instructions.

Some examples from the web:

• The new bean-counter is questioning this lab request.
• Your intelligence service denied our request for cooperation.
• The request is under consideration, commissioner.
• Relevant data were submitted to support this request.
• Added at request of Council Legal Service.
• This function validates an account creation request.
• Parliament approved the request pursuant to Rule 171.
• Sharon Bowles (rapporteur) moved the request.
• Daniel Cohn-Bendit, who opposed that request.
• Catherine Trautmann (the President rejected that request).
• Moments ago, he accepted my request.
• Special request by someone senior in Intelligence.
• Just have CBI file a request.
• The plaintiff'ss request for injunction is granted.
• The Commission respectfully disagreed with GOC's request.
• The request for registration was therefore rejected.
• In reaction, Latvia supported the Swedish request.
• Therefore, its request could not be accepted.
• The information request was prepared in cooperation with WIK Consult.
• The request by EniPower pertains to electricity generation and wholesale.