If a person has contracted an illness or suffered an injury, was an insured on the day of initial examination for that injury or illness (hereinafter referred to as the "base injury or illness" in this Article) and has a disability due to an injury or illness other than the base injury or illness, and if the severity of that person's disabilities stemming from a combination of the disability arising from the base injury or illness (hereinafter referred to as the "base disability" in this Article) and other disabilities (but only if the day of initial examination of the base injury or illness is on or after the day of initial examination for the injury or illness other than the base injury or illness (if there are two or more injuries or illnesses other than the base injury or illness, for all injuries or illnesses other than the base injury or illness)) comes to be classified as Grade 1 or Grade 2 of the disability grades for the first time during the period from the day of disability assessment for the base injury or illness until the day before the day on which the person reaches the age of 65, the person is paid employees' disability pension in accordance with the severity of the disabilities stemming from a combination of the base disability and other disabilities.
疾病にかかり、又は負傷し、かつ、その傷病（以下この条において「基準傷病」という。）に係る初診日において被保険者であつた者であつて、基準傷病以外の傷病により障害の状態にあるものが、基準傷病に係る障害認定日以後六十五歳に達する日の前日までの間において、初めて、基準傷病による障害（以下この条において「基準障害」という。）と他の障害とを併合して障害等級の一級又は二級に該当する程度の障害の状態に該当するに至つたとき（基準傷病の初診日が、基準傷病以外の傷病（基準傷病以外の傷病が二以上ある場合は、基準傷病以外のすべての傷病）に係る初診日以降であるときに限る。）は、その者に基準障害と他の障害とを併合した障害の程度による障害厚生年金を支給する。
The provisions of the proviso to Article 47, paragraph (1) apply mutatis mutandis to a case under the preceding paragraph. In such a case, the phrase "that injury or illness" in the proviso to paragraph (1) of that Article is deemed to be replaced with "the base injury or illness".
Notwithstanding the provisions of Article 36 paragraph (1), payment of employees' disability pension under paragraph (1) of this Article commences from the month that follows the month in which the claim for the employees' disability pension is made.