You should make necessary arrangements.

Make necessary preparations, I'll contact you.

I'll make the necessary arrangements.

I'll make the necessary arrangements.

I will make the necessary arrangements.

They can make the necessary checks.

The Secretariat will make the necessary deductions.”

She can make the necessary calculations.

I will make all necessary arrangements.

The UNICEF secretariat will make necessary travel arrangements, as required, in accordance with United Nations standards.