BP central block for transactions

Hi experts,

I've found the configuration that allows me to excluded follow up transactions when the related BP has a central block marked and reason maintained.

However, I would like to have specifc transactions still allowed.

I found a note why certain transaction types are excluded but these are of the sales scenario (1791698).

Is there a way to have certain service scenario transaction types excluded from the block?

We're using CRM 7.0, ehp 1, CIC.

Many thanks and with kind regards,

Yee-Tee