>Jim,
>>
>>>however, by the use of the quotes. Isn't the English (as opposed to American) spelling with an "s"?
>>
>>I don't know, perhaps one of our british colleagues could jump in here and enlighten us.
>
>That was my hope.

Practise is a verb.
Practice is the action itself.
So you would practise performing the "best practice".
I'm not sure if this is specific to English English or whether it applies to American English as well