with immediate effect

Meaning

This phrase means that a new rule, policy, resignation, or change starts right now, without any delay or transition period. It is highly formal and commonly found in official corporate announcements, HR emails, and legal documents. It carries an authoritative and serious tone.

Examples

• The CEO has stepped down from his position with immediate effect.

  The CEO has stepped down from his position with immediate effect.

• Please be advised that the new security protocols will be implemented with immediate effect.

  Please be advised that the new security protocols will be implemented with immediate effect.

• All non-essential business travel has been suspended with immediate effect.

  All non-essential business travel has been suspended with immediate effect.

• With immediate effect, all expense reports must be submitted through the new online portal.

  With immediate effect, all expense reports must be submitted through the new online portal.

• The contract between our agencies has been terminated with immediate effect.

  The contract between our agencies has been terminated with immediate effect.

Common Mistakes

• ✗ The office policy will change with immediate affect.

  ✓ The office policy will change with immediate effect.

  You must use the noun 'effect' (meaning result or operation), not the verb 'affect'.

• ✗ The rules are updated with immediate effective.

  ✓ The rules are updated with immediate effect.

  The prepositional phrase requires the noun 'effect', not the adjective 'effective' (though you could say 'effective immediately').

Related Expressions

Practice

• The company announced that the price increase will take place ___.

  💡 starting right now without delay

  Show answer

  with immediate effect

• ___, all employees are required to wear their ID badges at all times.

  💡 starts right this second

  Show answer

  With immediate effect