Independent authoritative source survey
Independent authoritative source survey means a survey of wages conducted by an independent authoritative source and published in a book, newspaper, periodical, loose-leaf service, newsletter, or other similar medium, within the 24-month period immediately preceding the filing of the employer's application. Such survey shall:
(1) Reflect the average wage paid to workers similarly employed in the area of intended employment;
(2) Be based upon recently collected data - e.g., within the 24-month period immediately preceding the date of publication of the survey; and
(3) Represent the latest published prevailing wage finding by the authoritative source for the occupation in the area of intended employment.
20 CFR § 655.715
For the purposes of subparts H and I of this part: