{"id":1134,"date":"2024-02-09T08:12:50","date_gmt":"2024-02-09T08:12:50","guid":{"rendered":"https:\/\/viac.hofmann.solutions\/rules\/"},"modified":"2025-11-26T18:43:21","modified_gmt":"2025-11-26T18:43:21","slug":"rules","status":"publish","type":"page","link":"https:\/\/www.viac.eu\/en\/investment-arbitration-basics\/rules\/","title":{"rendered":"Investment Arbitration Rules"},"content":{"rendered":"<p>[et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;rgba(11,11,11,0.29)&#8221; background_image=&#8221;https:\/\/www.viac.eu\/wp-content\/uploads\/2024\/04\/AdobeStock_119050777-scaled.jpeg&#8221; background_position=&#8221;top_left&#8221; background_horizontal_offset=&#8221;0%&#8221; background_vertical_offset=&#8221;67%&#8221; background_blend=&#8221;darken&#8221; custom_padding=&#8221;||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; background_color=&#8221;#ffffff&#8221; max_width=&#8221;935px&#8221; module_alignment=&#8221;left&#8221; custom_margin=&#8221;280px||||false|false&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.24.3&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; text_font_size=&#8221;18px&#8221; header_font=&#8221;|700|||||||&#8221; header_text_align=&#8221;left&#8221; header_text_color=&#8221;#0B0B0B&#8221; custom_padding=&#8221;|80px||80px|false|false&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h1>Investment Arbitration Rules<\/h1>\n<p><span>A new version of the VIAC Rules of Investment Arbitration and Mediation 2021 entered into force on 1 January 2025 (\u201cVienna Investment Rules and Vienna Investment Mediation Rules 2021\u201c; short \u201cVIR\u201d and \u201cVIMR\u201d). The rules apply to all proceedings that commenced after 31 December 2024.<\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=&#8221;1&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_row column_structure=&#8221;1_2,1_2&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.viac.eu\/wp-content\/uploads\/2025\/11\/Icon_G_Rules-of-Investment-Arbitration-and-Mediation-2.png&#8221; title_text=&#8221;Icon_G_Rules of Investment Arbitration and Mediation&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_button button_url=&#8221;https:\/\/www.viac.eu\/wp-content\/uploads\/2025\/02\/VIAC_schieds_mediationsordnung_investitionsverfahren_2021_dt_v4_1301s.pdf&#8221; url_new_window=&#8221;on&#8221; button_text=&#8221;Download&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_text_size=&#8221;14px&#8221; button_text_color=&#8221;#4D4D4D&#8221; button_bg_color=&#8221;#ffffff&#8221; button_border_width=&#8221;2px&#8221; button_border_color=&#8221;#4D4D4D&#8221; button_border_radius=&#8221;0px&#8221; button_font=&#8221;||||on|||RGBA(255,255,255,0)|&#8221; button_icon=&#8221;&#xe092;||divi||400&#8243; button_on_hover=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column][et_pb_column type=&#8221;1_2&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_image src=&#8221;https:\/\/www.viac.eu\/wp-content\/uploads\/2025\/11\/Icon_E_Rules-of-Investment-Arbitration-and-Mediation-2.png&#8221; title_text=&#8221;Icon_E_Rules of Investment Arbitration and Mediation&#8221; align=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_image][et_pb_button button_url=&#8221;https:\/\/www.viac.eu\/wp-content\/uploads\/2025\/02\/VIAC_schieds_mediationsordnung_investitionsverfahren_2021_e_v3_1612s.pdf&#8221; url_new_window=&#8221;on&#8221; button_text=&#8221;Download&#8221; button_alignment=&#8221;center&#8221; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; custom_button=&#8221;on&#8221; button_text_size=&#8221;14px&#8221; button_text_color=&#8221;#4D4D4D&#8221; button_bg_color=&#8221;#ffffff&#8221; button_border_width=&#8221;2px&#8221; button_border_color=&#8221;#4D4D4D&#8221; button_border_radius=&#8221;0px&#8221; button_font=&#8221;||||on|||RGBA(255,255,255,0)|&#8221; button_icon=&#8221;&#xe092;||divi||400&#8243; button_on_hover=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_button][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.0&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; text_font_size=&#8221;18px&#8221; header_font_size=&#8221;32px&#8221; header_2_font_size=&#8221;32px&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Other language versions of the VIAC Rules of <span style=\"color: #c10525;\">Investment <\/span>Arbitration and Mediation 2021 (without the 2025 amendments)<\/h2>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=&#8221;1_5,1_5,1_5,1_5,1_5&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;1_5&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][dsm_card title=&#8221;VIAC Rules of Investment Arbitration and Mediation 2021 &#8211; Turkish&#8221; image=&#8221;https:\/\/www.viac.eu\/wp-content\/uploads\/2025\/04\/26.png&#8221; image_as_background=&#8221;off&#8221; badge_text=&#8221;Translation&#8221; button_text=&#8221;Download&#8221; button_url=&#8221;@ET-DC@eyJkeW5hbWljIjp0cnVlLCJjb250ZW50IjoicG9zdF9saW5rX3VybF9hdHRhY2htZW50Iiwic2V0dGluZ3MiOnsicG9zdF9pZCI6IjYwNTEifX0=@&#8221; button_url_new_window=&#8221;on&#8221; _builder_version=&#8221;4.27.4&#8243; _dynamic_attributes=&#8221;button_url&#8221; _module_preset=&#8221;default&#8221; header_font_size=&#8221;18px&#8221; custom_button=&#8221;on&#8221; button_text_size=&#8221;14px&#8221; button_text_color=&#8221;#4D4D4D&#8221; button_border_radius=&#8221;0px&#8221; button_icon=&#8221;&#xe092;||divi||400&#8243; button_on_hover=&#8221;off&#8221; module_alignment=&#8221;left&#8221; hover_enabled=&#8221;0&#8243; locked=&#8221;off&#8221; global_colors_info=&#8221;{}&#8221; title_text=&#8221;26&#8243; sticky_enabled=&#8221;0&#8243;][\/dsm_card][\/et_pb_column][et_pb_column type=&#8221;1_5&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_column][et_pb_column type=&#8221;1_5&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_column][et_pb_column type=&#8221;1_5&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_column][et_pb_column type=&#8221;1_5&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_column type=&#8221;4_4&#8243; _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;][et_pb_text _builder_version=&#8221;4.27.4&#8243; _module_preset=&#8221;default&#8221; global_colors_info=&#8221;{}&#8221;]<\/p>\n<h2>Previous Versions<\/h2>\n<p><a href=\"https:\/\/www.viac.eu\/wp-content\/uploads\/2025\/10\/VIAC_schieds_mediationsordnung_investitionsverfahren_2021_dt_2.-Auflage_20211110.pdf\" target=\"_blank\" rel=\"noopener\">VIAC Rules of Investment Arbitration and Mediation 2021 German<\/a><span>\u00a0<\/span><span>| in force as of 1 July 2021<br \/><a href=\"https:\/\/www.viac.eu\/wp-content\/uploads\/2025\/10\/VIAC_schieds_mediationsordnung_investitionsverfahren_2021_e_2.-Auflage_20211110.pdf\" target=\"_blank\" rel=\"noopener\">VIAC Rules of Investment Arbitration and Mediation 2021 English<\/a>\u00a0| in force as of 1 July 2021<\/span><\/p>\n<p>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Investment Arbitration Rules A new version of the VIAC Rules of Investment Arbitration and Mediation 2021 entered into force on 1 January 2025 (\u201cVienna Investment Rules and Vienna Investment Mediation Rules 2021\u201c; short \u201cVIR\u201d and \u201cVIMR\u201d). The rules apply to all proceedings that commenced after 31 December 2024.Other language versions of the VIAC Rules of Investment Arbitration and Mediation 2021 (without the 2025 amendments)<div class=\"et_pb_module dsm_card dsm_card_0 et_pb_bg_layout_light  dsm_card_layout_stacked\">\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t\n\t\t\t\t<div class=\"et_pb_module_inner\">\n\t\t\t\t\t\n\t\t\t\n\t\t\t<figure class=\"dsm_card_image_wrapper dsm_card_badge_top_right\"><img decoding=\"async\" src=\"https:\/\/www.viac.eu\/wp-content\/uploads\/2025\/04\/26.png\" alt=\"\" srcset=\"https:\/\/www.viac.eu\/wp-content\/uploads\/2025\/04\/26.png 500w, https:\/\/www.viac.eu\/wp-content\/uploads\/2025\/04\/26-480x480.png 480w\" sizes=\"(min-width: 0px) and (max-width: 480px) 480px, (min-width: 481px) 500px, 100vw\" class=\"dsm_card_img dsm_card_image_stretch\" \/><div class=\"dsm_card_badge_text\">Translation<\/div><\/figure>\n\t\t\t<div class=\"et_pb_module dsm_card_wrapper et_pb_text_align_left\">\n\t\t\t\t\t\n\t\t\t\t\t<h4 class=\"dsm_card_title et_pb_module_header\">VIAC Rules of Investment Arbitration and Mediation 2021 - Turkish<\/h4>\n\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t<div class=\"et_pb_button_wrapper\"><a class=\"et_pb_button et_pb_more_button \" href=\"\" target=\"_blank\" data-icon=\"&#xe092;\">Download<\/a><\/div>\n\t\t\t\t<\/div>\n\t\t\t\n\t\t\t\t<\/div>\n\t\t\t<\/div>Previous Versions VIAC Rules of Investment Arbitration and Mediation 2021 German\u00a0| in force as of 1 July 2021VIAC Rules of Investment Arbitration and Mediation 2021 English\u00a0| in force as of 1 July 2021<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1332,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","ngg_post_thumbnail":0,"footnotes":""},"class_list":["post-1134","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.viac.eu\/en\/wp-json\/wp\/v2\/pages\/1134","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.viac.eu\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/www.viac.eu\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/www.viac.eu\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.viac.eu\/en\/wp-json\/wp\/v2\/comments?post=1134"}],"version-history":[{"count":16,"href":"https:\/\/www.viac.eu\/en\/wp-json\/wp\/v2\/pages\/1134\/revisions"}],"predecessor-version":[{"id":9178,"href":"https:\/\/www.viac.eu\/en\/wp-json\/wp\/v2\/pages\/1134\/revisions\/9178"}],"up":[{"embeddable":true,"href":"https:\/\/www.viac.eu\/en\/wp-json\/wp\/v2\/pages\/1332"}],"wp:attachment":[{"href":"https:\/\/www.viac.eu\/en\/wp-json\/wp\/v2\/media?parent=1134"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}