The phrase "active registration" is correct and usable in written English.
It can be used in contexts where you are referring to a process or state of being currently registered for something, such as an event, service, or system.
Example: "To participate in the conference, you must ensure that your active registration is confirmed before the deadline."
Alternatives: "current registration" or "valid registration".
Incorporating active registration in existing health services may increase access for households that are burdened by the current process [ 24].
Incident cases, diagnosed between July 1995 and December 1997, were reported by an active registration system through hospitals and pathologists.
For this an active registration team was set up, evolving into the regional cancer registry, which has become complete for the detection of all cancers from 1987 onwards.
Patients of all ages were selected from the population registered with the Clinical Practice Research Datalink with an active registration status at any point during the study period, between 1 January 1999 and 30 March 2011.
An active registration process is implemented by trained tumour registration officers (TROs) each of whom has responsibility for recording data on newly diagnosed cancers from a defined group of hospitals.
This could have been the result of the computerization of clinical records that took place between 2000 and 2004 at our institution, which required active registration of the date of diagnosis by the health care professional.
As a consequence, active registrations in two states are common.
One in eight active registrations is invalid or inaccurate.
Some 2.8 million people have active registrations in more than one state.
Stephen Bannon, the chief executive of Trump's election campaign, has an active voter registration at the house in Miami-Dade County, Florida, which is vacant and due to be demolished to make way for a new development.
Membership is active once registration process is completed.
