(1) A person ("R") is guilty of an offence if any of the following cases applies.

(2) Case 3 is where R requests, agrees to receive or accepts a financial or other advantage intending that, in consequence, a relevant function or activity should be performed improperly (whether by R or another person).

(3) Case 4 is where -

(a) R requests, agrees to receive or accepts a financial or other advantage, and

(b) the request, agreement or acceptance itself constitutes the improper performance by R of a relevant function or activity.

(4) Case 5 is where R requests, agrees to receive or accepts a financial or other advantage as a reward for the improper performance (whether by R or another person) of a relevant function or activity.

(5) Case 6 is where, in anticipation of or in consequence of R requesting, agreeing to receive or accepting a financial or other advantage, a relevant function or activity is performed improperly -

(a) by R, or

(b) by another person at R's request or with R's assent or acquiescence.

(6) In cases 3 to 6 it does not matter -

(a) whether R requests, agrees to receive or accepts (or is to request, agree to receive or accept) the advantage directly or through a third party,