Create a task as follow up to a task in IC_AGENT

Hi Experts,

We are using IC_AGNET business role, and we have one requirement as mentioned below.

We need to create a task as a follow up to another task. We maintained the copy controls for particular destination transaction only.

But where as, when i create a follow up document for the ZTSK, all these transactions are avaialbe as mentioned below.

Can any one tell, is it possible to create a task as follow up to a taks? from where the above copy controlls are coming for the above task.

Thanks in advance for your support.

Thanks

Nagaprasad