Immediate questions on the unclear spot - handover @ ウィキ

Kei was a mid-level employee of Waseda Co., Ltd., and was providing technical support at the sales department. With the next change, Kei has decided to become the person in charge of financial system in the internal system department as Hiro's successor.
Hiro got an explanation about the procedure of regular inspection, but some explanation of the procedure was omitted, and Kei could not understand it well.

When should the successor ask the question to the predecessor?

Kei can explain where he does not know.
If Kei is looking for the timing, she might forget asking the question.

Ask the question immediately on the spot.

Kei immediately asked questions on the spot where he felt she chould not understand.
She asked a question on the spot, Hiro could answer the question quickly. Kei never carried over the question.
As a result, Kei was able to understand the necessary knowledge during the handover period.

It is possible to eliminate unknown points efficiently by using Preparations for lessons of the handover together.
On the other hand, if the successor is not a person positively asking questions, it is important for the predecessor to confirm the degree of comprehension of the successor by a Questions checking the successor's understanding. Incremental handover increases the chance that this pattern will be executed