1. The plaintiff's claim is dismissed.

2. The costs of lawsuit shall be borne by the Plaintiff.

In light of the above legal principles, the lower court’s judgment is justifiable, and it is so decided as per Disposition by the assent of all participating Justices on the bench. In so doing, it is so decided as per Disposition by the assent of all participating Justices on the bench, thereby affecting the conclusion of the judgment, contrary to what is alleged in the ground of appeal.

The period of investigation conducted on the Plaintiff by the Defendant and the National Health Insurance Corporation: From October 5, 2015 to October 8, 2015 - The scope and contents of the investigation: The scope and contents of long-term care benefits - The period of investigation is from July 2012 to November 2013, and from April 2015 to August 2015 (22 months) * The Defendant notified the Plaintiff on October 5, 2015 that the Defendant will conduct an on-site investigation on the instant sanatoriums pursuant to Article 61 of the Act on Long-Term Care Insurance for the Aged and the National Health Insurance Corporation, as follows.

From August 201, 201, D, registered as a caregiver, among the field surveys on the instant sanatoriums (hereinafter “instant field surveys”), provided services only at E facilities, other than the instant sanatoriums, and in the case of F, the fact that cooking was mainly conducted was discovered. On October 7, 2015, the Defendant changed the investigation period of the instant sanatorium from August 201 to January 201, 201, from April 201 to August 30, 2015 (35 months) to “from October 5, 2015 to October 9, 2015,” and notified each Plaintiff of the investigation period.

As a result of the instant on-site investigation, the National Health Insurance Corporation (the National Health Insurance Corporation) discovered that the instant sanatorium violated the criteria for placement of human resources throughout the period from September 201 to March 2014. On December 14, 2016, the National Health Insurance Corporation (the Korea Health Insurance Corporation) discovered that the instant sanatorium unfairly claimed long-term care benefits in breach of the criteria for placement of human resources. On December 14, 2016, the Korea Health Insurance Corporation (the Korea Health Insurance Corporation) paid