Which of the following statements regarding the specific

differences between the old and the new ISO $19650$ are

true?

$-$ The lead appointed party will manage it's own delivery team or supply chain.

$-$ The center of the project team is the appointing party or project client.

$-$The appointing party will employ only one lead appointed parties or tier $1$ organisations.

$-$Within the delivery team will consist of one or more task teams, which will be made up of appointed parties or non$-$tier $1\text{'}$s$.$