Due diligence is the investigation or exercise of care that a reasonable business or person is normally expected to take before entering into an agreement or contract with another party or an act with a certain standard of care. Due diligence can be a legal obligation, but the term more commonly applies to voluntary investigations. It may also offer a defence against legal action. A common example
![Due diligence - Wikipedia](https://cdn-ak-scissors.b.st-hatena.com/image/square/6aac663a73ea435aaa399b734571ed8e17ec391b/height=288;version=1;width=512/https%3A%2F%2Fupload.wikimedia.org%2Fwikipedia%2Fcommons%2Fthumb%2F5%2F5b%2FSociety.svg%2F1200px-Society.svg.png)