'extant issue' is a correct and usable part of a sentence in written English.
You can use it to refer to something that exists and is relevant or important in the present moment, often with a negative connotation. For example: "The economy is in shambles, and the government faces an extant issue in providing financial relief to its citizens."
One of the extant issues in this area is that of uniform sampling of the Pareto front.
One of the extant issues here is that Matthews operates under the assumption that the road ahead consists of passing the entire health care reform bill through budget reconciliation.
Despite a slightly higher number of coins recorded as extant, the 1905 issue is rarer and more valuable than the 1904; Bowers speculates that Zerbe may have held some pieces only to cash them in, or surrender them in 1933 when President Franklin Roosevelt called in most gold coins.
Prior to engaging in extensive visualization efforts, it is important to work with agency staff to understand the extant work practice, issues with the existing system, and identifying areas for improvement.
A further lack in the extant literature on this issue is the absence of studies of patients in continuous CS treatment from childhood through puberty into adulthood.
CAAT and its lawyers at Leigh Day have submitted a claim for a judicial review into the arms sales that calls on the Department for Business to suspend all extant licences and stop issuing further licences for arms exports to Saudi Arabia for use in Yemen while it holds a full review into whether the exports are compatible with UK and EU legislation.
The present study readdressed the issue of the extant P. vivax population structure by focusing on temperate zone parasite populations in East and Southeast Asia.
The issue regarding which extant population is most closely related to the original population in Britain has been examined using cranial evidence [a sample set of 108 crania and mandibles from British beavers measured at 21 measurements which showed greatest similarity to animals from Norway (Kitchener and Lynch 2000)].
February 24, 616 or February 24, 618 Aethelberht I, (died Feb. 24, 616 or 618), king of Kent (560 616) who issued the first extant code of Anglo-Saxon laws.
In Emesa he was apparently still alive and in good health: he issued the only extant rescript in his name there, but after he left the city, his staff, including the prefect (Numerian's father-in-law, and as such the dominant influence in the Emperor's entourage) Aper, reported that he suffered from an inflammation of the eyes.
