The phrase "requires completion of" is an acceptable and correct part of a sentence in written English.
For example: Before beginning a new project, the supervisor requires completion of a safety checklist.
That process requires completion of a four-year accredited, specialized school, passing an exam and a certain amount of clinical training.
Entrance to the race requires completion of a series of long qualifying rides, and Bob had been working through them with a partner from his hometown of Des Moines.
IR Independent Residency requires completion of DR residency.
Accreditation requires completion of both specialist training and formal ultrasound training.
Effective development of a new healthcare product requires completion of all the paths.
Certification, available to urologists and gynecologists, requires completion of an accredited fellowship for residents graduating after 2010.
Bachelor's degree programs in this field typically require completion of general education requirements, as well as courses in basic nutrition, organic chemistry, biochemistry and human anatomy and physiology.
The Department may require completion of the enquiry if it deems necessary".
And there is a consensus that the EU's stability and prosperity require completion of the single market and obligatory structural reforms for all 27 members.
The student, named Adrian, had to return home in the summer to meet student visa regulations, which required completion of various forms.
To fully confirm this effect will require completion of larger simulations with wider initial reconnection fronts.
