The phrase "are extant that" is not commonly used in modern written English and may sound awkward or outdated.
It can be used in formal or academic contexts when discussing works, documents, or items that still exist or are currently available.
Example: "Several manuscripts from the 15th century are extant that provide insight into the historical context of the period."
Alternatives: "are available that" or "still exist that".
However, no general standards are extant that help countries facing low participation rates to analyze their data to verify the bias risk due to poor response rates.
Two main branches of Abhidharma are extant: that of the Theravāda ('Doctrines of the Elders'), which became dominant in Sri Lanka and southeast Asia, and that of the Sarvāstivāda (the 'All Exists School'), which flourished in North India and provided the basis for the development of later Abhidharma and Mahāyāna schools in India, and later on in Central and East Asia.
Indeed, there are extant codes that have a more consistent block structure than the standard genetic code, such as the vertebrate mitochondrial code in which there are no single-codon families (unlike Trp and Met in the standard code).
Most recently, on 10 October, Harvey wrote to the Labour MP Katy Clark saying that "the conclusions of the original legal weapons review on Charm3 are extant", and that "DU can be used within weapons".
The network generated for intron + HEG sequences shows three main clusters connected by median vectors, which represent missing intermediates, that is extant haplotype that was not sampled or an extinct ancestral haplotype [ 37].
Though there are extant reports that the NSA is working to end encryption as we know it, it remains clear that we need more, and not less data protection.
Rather more than half of the 200 or so of Walther's poems that are extant are political, moral, or religious; the rest are love poems.
Like other poets, Spenser must have modified his general plan many times, yet this letter, inconsistent though it is with various plot details in the books that are extant, is probably a faithful mirror of his thinking at one stage.
His remaining musical treatises include parts of his Elements of Harmonics (edited by P. Marquard, 1868, and by H. Macran, 1902) and of his Elements of Rhythm (edited by R. Westphal, 1861 and 1893) that are extant.
Most influential were his works on astrology (see Burnett 1999); but works like On the Intellect were also translated, and as noted above there are works in the Kindian corpus that are extant only in Latin.
