corrective action; rectification measure
Formal term used in business, quality control, and administrative contexts for steps taken to fix a problem or non-conformity.
After the audit, the company took corrective action.
We will implement corrective measures to prevent the problem from recurring.
改善 is general improvement, while 是正措置 specifically refers to corrective actions taken to fix identified problems.
対策 is a broader term for countermeasures or measures against something, not necessarily corrective.
Compound of 是正 (correction, rectification) and 措置 (measure, step).