Where a person who has suffered an illness or been injured, and who fell under any of the items of paragraph (1) of the preceding Article on the date of first medical examination relating to that injury or illness, and who was not in a state of disability to the extent of falling under the disability grade prescribed in paragraph (2) of that Article (hereinafter simply referred to as the "disability grade") on the disability recognition date, comes, during the period after that date until the day preceding the day of reaching 65 years of age, to be in a state of disability to the extent of falling under the disability grade because of that injury or illness, that person may, within that period, claim payment of the disability basic pension under paragraph (1) of that Article.
The provisions of the proviso to paragraph (1) of the preceding Article apply mutatis mutandis to the case referred to in the preceding paragraph.
When the claim under paragraph (1) has been made, the disability basic pension under paragraph (1) of the preceding Article is paid to the person who made that claim, notwithstanding the provisions of that paragraph.
With respect to a disability employees' pension under the provisions of Article 47 or Article 47-2 of the Employees' Pension Insurance Act based on the same ground for payment as the disability basic pension under paragraph (1), when its amount has been revised under the provisions of Article 52 of that Act, the claim under that paragraph is deemed to have been made at that time.