I was looking for the reason why, not confirmation that it was the right thing to do as I saw that in the examples you provided. The reason, as I understand it is that the employer contributions are already sheltered but the employee contributions were not.
As there was no taxable benefit on my T4 for the employer amount contributed to my RPP, I must assume that I was not taxed on that amount and thus it was already sheltered (not seen as income in the first place). In this case, only the employee amount (which I was already taxed on) is included as an income reduction (tax shelter) on the return.
Simple in retrospect. Thank you for your guidance as it did help lead to the explanation I was looking for.
Cheers
