Should any of the following circumstances have arisen or existed with respect to the employment of foreign worker(s) to engage in work as referred to in Subparagraphs 8 to 11 of Paragraph 1 of Article 46, the Central Competent Authority shall not issue the whole or a part of the permit for recruitment, employment, or the extension thereof; in case the permit for recruitment has already been issued, the Central Competent Authority may halt the introduction of foreign workers: