0 to choose to be part of an activity, arrangement, etc.: --
1 the fact of choosing to take part in an activity, arrangement, etc. rather than being forced to take part: --
2 to choose to be part of an activity, arrangement, etc.: --
3 the fact that you do not have, receive, or join in something unless you choose to, or something that you do not have or receive unless you choose it: --
opt-in feature/system/policy The social networking site has introduced an opt-in feature for customers.
We have a company pensions policy where there is an opt-in instead of an opt-out.
Users have to click to give the company permission to collect data about their online habits, a process called opt-in.
The consulting of relatives is, therefore, not a distinction between opt-out and opt-in systems of organ donation.
That is not an opt-out but an opt-in, as we choose.
The opt-out system, especially, will override the opt-in system.
It would be absurd, incoherent and contradictory to adopt a conclusive solution in this directive, whether it be opt-in or opt-out, just a year later.
Now, at second reading stage, all we have to do is find a solution to the opt-in/opt-out problem.
I do not see why we cannot have an opt-in as opposed to the current situation.
I am not quite sure what the opt-in position is.
Some issues cannot easily be accommodated in the context of a regulatory system, even if that is an opt-in system.
