In the case an application filed for extension of the period of stay pursuant to the provisions of Article 21, paragraph (2) of the Act, if the period of stay of the applicant residing in Japan with the status of residence of "Specified Skilled Worker" (excluding any period during which the applicant was unable to engage in work due to pregnancy, childbirth, childcare or any other unavoidable circumstances) has reached a cumulative total of five years (six years if there are reasonable grounds for staying for more than five years with the status of residence), the reasonable grounds under paragraph (3) of the same Article is considered not to exist.