Before you take the plunge. Back to basics on contracts - Part 4. Best, reasonable and all reasonable endeavours - how far are you agreeing to go and what are you committed to?

You may consider using an endeavours clause to qualify a contractual obligation you are giving. This may be because fulfilment of the obligation depends on the co-operation of a third party or other matters beyond your control.

But what is the difference between best and reasonable endeavours? And what are you committed to do if you agree to use best, reasonable or all reasonable endeavours?

In this, the fourth part of our 'before you take the plunge - back to basics on contracts' mini series, we look at the different types of endeavours clauses. We also consider some practical tips for the use of such clauses in contracts and fulfilling obligations arising under them.