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Supplementary Provisions, Article 23

第二十三条

The employer of a place of business or office that became an applicable place of business pursuant to the provisions of as Amended by the Provisions on or after October 1, 2035, or the employer of any other place of business or office specified by Cabinet Order (excluding an employer that has already made the application under this paragraph; the same applies hereinafter in this paragraph) may, if the employer applies to an implementing organization, as provided by order of the competent ministry, during the period up to the month preceding the month that includes the day on which two years have elapsed from the day on which it became that applicable place of business (for the employer of a place of business or office specified by Cabinet Order, the date specified by Cabinet Order), increase, for the time being, notwithstanding Article 82, paragraph (1) of the Employees' Pension Insurance Act and the preceding Article, the ratio of the burden to be borne by the employer for the employees' pension insurance premiums pertaining to part-time insureds employed at the applicable place of business (excluding those pertaining to the standard bonus amount decided under Article 24-4, paragraph (1) of that Act and those not paid by the due date designated under Article 86, paragraph (1) of that Act; hereinafter in this paragraph referred to as "employees' pension insurance premiums for part-time insureds") to the ratio obtained by adding 50/100 to the increased burden ratio. In this case, of the amount of employees' pension insurance premiums for part-time insureds, the amount obtained by multiplying the increased burden ratio by the amount equivalent to the amount obtained by multiplying the standard monthly remuneration for part-time insureds by the insurance premium rate prescribed in Article 81, paragraph (4) of the Employees' Pension Insurance Act is deemed not to have required collection.

令和十七年十月一日以後にの規定により適用事業所となった事業所又は事務所の事業主その他政令で定める事業所又は事務所の事業主(既にこの項の申出をした事業主を除く。以下この項において同じ。)は、当該適用事業所となった日(当該政令で定める事業所又は事務所の事業主にあっては、政令で定める日)から起算して二年を経過した日が属する月の前月までの間に、主務省令で定めるところにより実施機関に申出をした場合は、厚生年金保険法第八十二条第一項及び前条の規定にかかわらず、当分の間、適用事業所に使用される短時間被保険者に係る事業主の負担すべき厚生年金保険料(同法第二十四条の四第一項の規定により決定された標準賞与額に係るもの及び同法第八十六条第一項の規定により指定された期限までに納付されていないものを除く。以下この項において「短時間被保険者に係る厚生年金保険料」という。)の負担の割合を、増加負担割合に百分の五十を加えた割合に増加することができる。この場合において、短時間被保険者に係る厚生年金保険料の額のうち、短時間被保険者に係る標準報酬月額に同法第八十一条第四項に規定する保険料率を乗じて得た額に相当する額に増加負担割合を乗じて得た額は、徴収を行うことを要しなかったものとみなす。

The provisions of paragraphs (3) through (11) of the preceding Article apply mutatis mutandis to the case where the provisions of the preceding paragraph are applied. In this case, the necessary replacement of terms for the application of these provisions and other necessary matters are specified by Cabinet Order.

前条第三項から第十一項までの規定は、前項の規定を適用する場合について準用する。この場合において、これらの規定の適用に関し必要な読替えその他必要な事項は、政令で定める。

In this Article, "part-time insured" means an insured covered by employees' pension insurance who falls under any of the following items and does not fall under any of the items of Article 12 of the Employees' Pension Insurance Act as Amended by the Provisions (excluding a person for whom the provisions of Article 12 (limited to the part pertaining to item (v)) of the Employees' Pension Insurance Act as Amended by the Provisions are not applied under the provisions of of the Supplementary Provisions of the 2012 Pension Function Strengthening Act), and who is under 70 years of age (limited to those who fall under grade 1 through grade 6 of the standard monthly remuneration grades).

この条において「短時間被保険者」とは、次の各号のいずれかに該当する者であって、第九号改正後厚年法第十二条各号のいずれにも該当しないもの(の規定により第九号改正後厚年法第十二条(第五号に係る部分に限る。)の規定が適用されない者を除く。)であり、かつ、七十歳未満である厚生年金保険の被保険者(標準報酬月額等級のうち第一級から第六級までに該当する者に限る。)であるものをいう。

a part-time worker (meaning a part-time worker prescribed in Article 12, item (v) of the Employees' Pension Insurance Act as Amended by the Provisions; the same applies in the following item) whose scheduled working hours per week are less than three-quarters of the scheduled working hours per week of an ordinary worker (meaning an ordinary worker prescribed in that item; the same applies in the following item) employed at the same place of business or office;

一週間の所定労働時間が同一の事業所又は事務所に使用される通常の労働者(第九号改正後厚年法第十二条第五号に規定する通常の労働者をいう。次号において同じ。)の一週間の所定労働時間の四分の三未満である短時間労働者(同条第五号に規定する短時間労働者をいう。次号において同じ。)

a part-time worker whose prescribed working days per month are less than three-quarters of the prescribed working days per month of an ordinary worker employed at the same place of business or office.

一月間の所定労働日数が同一の事業所又は事務所に使用される通常の労働者の一月間の所定労働日数の四分の三未満である短時間労働者

Supplementary Provisions, Article 41Transitional Measures Concerning the Application of Penal Provisions

第四十一条(罰則の適用に関する経過措置)

With respect to the application of penal provisions to an act committed before this Act (with respect to the provisions set forth in of the Supplementary Provisions, before those provisions) comes into effect, and to an act committed on or after the item (xv) Effective Date in a case where those provisions are to remain in force under of the Supplementary Provisions, the provisions then in force continue to govern.

この法律(に掲げる規定については、当該規定)の施行前にした行為及びの規定によりなおその効力を有することとされる場合における第十五号施行日以後にした行為に対する罰則の適用については、なお従前の例による。

Supplementary Provisions, Article 55Delegation to Cabinet Order

第五十五条(政令への委任)

Beyond what is provided for in these Supplementary Provisions, transitional measures necessary in connection with the enforcement of this Act (including transitional measures concerning penal provisions) are specified by Cabinet Order.

この附則に定めるもののほか、この法律の施行に伴い必要な経過措置(罰則に関する経過措置を含む。)は、政令で定める。

Supplementary Provisions, Appended Table 1

附則別表第一

On or before April 1, 20281.000
From April 2, 2028 to April 1, 20290.962
From April 2, 2029 to April 1, 20300.923
From April 2, 2030 to April 1, 20310.885
From April 2, 2031 to April 1, 20320.846
From April 2, 2032 to April 1, 20330.808
From April 2, 2033 to April 1, 20340.769
From April 2, 2034 to April 1, 20350.731
From April 2, 2035 to April 1, 20360.692
From April 2, 2036 to April 1, 20370.654
From April 2, 2037 to April 1, 20380.615
From April 2, 2038 to April 1, 20390.577
From April 2, 2039 to April 1, 20400.538
From April 2, 2040 to April 1, 20410.500
From April 2, 2041 to April 1, 20420.462
From April 2, 2042 to April 1, 20430.423
From April 2, 2043 to April 1, 20440.385
From April 2, 2044 to April 1, 20450.346
From April 2, 2045 to April 1, 20460.308
From April 2, 2046 to April 1, 20470.269
From April 2, 2047 to April 1, 20480.231
From April 2, 2048 to April 1, 20490.192
From April 2, 2049 to April 1, 20500.154
From April 2, 2050 to April 1, 20510.115
From April 2, 2051 to April 1, 20520.077
From April 2, 2052 to April 1, 20530.038
令和十年四月一日以前一・〇〇〇
令和十年四月二日から令和十一年四月一日まで〇・九六二
令和十一年四月二日から令和十二年四月一日まで〇・九二三
令和十二年四月二日から令和十三年四月一日まで〇・八八五
令和十三年四月二日から令和十四年四月一日まで〇・八四六
令和十四年四月二日から令和十五年四月一日まで〇・八〇八
令和十五年四月二日から令和十六年四月一日まで〇・七六九
令和十六年四月二日から令和十七年四月一日まで〇・七三一
令和十七年四月二日から令和十八年四月一日まで〇・六九二
令和十八年四月二日から令和十九年四月一日まで〇・六五四
令和十九年四月二日から令和二十年四月一日まで〇・六一五
令和二十年四月二日から令和二十一年四月一日まで〇・五七七
令和二十一年四月二日から令和二十二年四月一日まで〇・五三八
令和二十二年四月二日から令和二十三年四月一日まで〇・五〇〇
令和二十三年四月二日から令和二十四年四月一日まで〇・四六二
令和二十四年四月二日から令和二十五年四月一日まで〇・四二三
令和二十五年四月二日から令和二十六年四月一日まで〇・三八五
令和二十六年四月二日から令和二十七年四月一日まで〇・三四六
令和二十七年四月二日から令和二十八年四月一日まで〇・三〇八
令和二十八年四月二日から令和二十九年四月一日まで〇・二六九
令和二十九年四月二日から令和三十年四月一日まで〇・二三一
令和三十年四月二日から令和三十一年四月一日まで〇・一九二
令和三十一年四月二日から令和三十二年四月一日まで〇・一五四
令和三十二年四月二日から令和三十三年四月一日まで〇・一一五
令和三十三年四月二日から令和三十四年四月一日まで〇・〇七七
令和三十四年四月二日から令和三十五年四月一日まで〇・〇三八

Supplementary Provisions, Appended Table 2

附則別表第二

(i) The period from the month that includes the day on which the application under Article 22, paragraph (1) and Article 23, paragraph (1) of the Supplementary Provisions was made until the month preceding the month in which two years have elapsed counting from that month: the increased burden ratio specified in the right-hand column of the following table corresponding to the standard monthly remuneration grade set forth in the left-hand column of that table

Standard monthly remuneration gradeIncreased burden ratio
Grade 125/100
Grade 220/100
Grade 314/100
Grade 49/100
Grade 55/100
Grade 62/100

(ii) The period from the month in which two years have elapsed counting from the month that includes the day on which the application under Article 22, paragraph (1) and Article 23, paragraph (1) of the Supplementary Provisions was made until the month preceding the month in which three years have elapsed counting from the month that includes the day on which that application was made: the increased burden ratio specified in the right-hand column of the following table corresponding to the standard monthly remuneration grade set forth in the left-hand column of that table

Standard monthly remuneration gradeIncreased burden ratio
Grade 1the ratio obtained by multiplying 25/100 by 1/2
Grade 2the ratio obtained by multiplying 20/100 by 1/2
Grade 3the ratio obtained by multiplying 14/100 by 1/2
Grade 4the ratio obtained by multiplying 9/100 by 1/2
Grade 5the ratio obtained by multiplying 5/100 by 1/2
Grade 6the ratio obtained by multiplying 2/100 by 1/2

一 附則第二十二条第一項及び第二十三条第一項の申出があった日の属する月から通算して二年を経過した月の前月までの期間 次の表の上欄に掲げる標準報酬月額等級に応じて、それぞれ同表の下欄に定める増加負担割合

標準報酬月額等級増加負担割合
第一級百分の二十五
第二級百分の二十
第三級百分の十四
第四級百分の九
第五級百分の五
第六級百分の二

二 附則第二十二条第一項及び第二十三条第一項の申出があった日の属する月から通算して二年を経過した月から、当該申出があった日の属する月から通算して三年を経過した月の前月までの期間 次の表の上欄に掲げる標準報酬月額等級に応じて、それぞれ同表の下欄に定める増加負担割合

標準報酬月額等級増加負担割合
第一級百分の二十五に二分の一を乗じて得た割合
第二級百分の二十に二分の一を乗じて得た割合
第三級百分の十四に二分の一を乗じて得た割合
第四級百分の九に二分の一を乗じて得た割合
第五級百分の五に二分の一を乗じて得た割合
第六級百分の二に二分の一を乗じて得た割合
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