something was done when I did something
Does the following sentence mean "when I spoke with him directly in December, he had just confirmed the conditions of production"?

Sentence:
The conditions of production were confirmed by Kaye when I spoke with him directly in December 2002.

Question

something was done when I did something
Does the following sentence mean "when I spoke with him directly in December, he had just confirmed the conditions of production"?

Sentence:
The conditions of production were confirmed by Kaye when I spoke with him directly in December 2002.

Answer

Yes. They have the same meaning. The only difference is that the second sentence has the person's name and the year. The second sentence is written in a more passive voice.