Interim Meetings (IM) - IPHC

Search

Interim Meetings (IM)

Meetings

2 Dec 2025

101st Session of the IPHC Interim Meeting (IM101)

Interim Meetings (IM)
Electronic

25-26 Nov 2024

100th Session of the IPHC Interim Meeting (IM100)

Interim Meetings (IM)
Electronic

30 November - 1 December 2023

99th Session of the IPHC Interim Meeting (IM099)

Interim Meetings (IM)
Seattle, WA

30 November - 1 December 2022

98th Session of the IPHC Interim Meeting (IM098)

Interim Meetings (IM)
Seattle, WA

30 November - 1 December 2021

97th Session of the IPHC Interim Meeting (IM097)

Interim Meetings (IM)
Seattle, WA

18 - 19 November 2020

96th Session of the IPHC Interim Meeting (IM096)

Interim Meetings (IM)
Seattle, WA

25 - 26 November 2019

95th Session of the IPHC Interim Meeting (IM095)

Interim Meetings (IM)
Seattle, WA

27-28 November 2018

94th Session of the IPHC Interim Meeting (IM094)

Interim Meetings (IM)
Seattle, WA

28-29 November 2017

93rd Session of the IPHC Interim Meeting (IM093)

Interim Meetings (IM)
Seattle, WA

@media (max-width: 640px){.cc-hide-on-mobile{display:none !important}}@media (min-width: 641px) and (max-width: 920px){.cc-hide-on-tablet{display:none !important}}@media (min-width: 921px) and (max-width: 1440px){.cc-hide-on-desktop{display:none !important}}img:is([sizes=auto i],[sizes^="auto," i]){contain-intrinsic-size:3000px 1500px}img.wp-smiley,img.emoji{display:inline !important;border:none !important;box-shadow:none !important;height:1em !important;width:1em !important;margin:0 .07em !important;vertical-align:-.1em !important;background:none !important;padding:0 !important}.wp-block-button__link{color:#fff;background-color:#32373c;border-radius:9999px;box-shadow:none;text-decoration:none;padding:calc(.667em + 2px) calc(1.333em + 2px);font-size:1.125em}.wp-block-file__button{background:#32373c;color:#fff;text-decoration:none}:root{--wp--preset--aspect-ratio--square:1;--wp--preset--aspect-ratio--4-3:4/3;--wp--preset--aspect-ratio--3-4:3/4;--wp--preset--aspect-ratio--3-2:3/2;--wp--preset--aspect-ratio--2-3:2/3;--wp--preset--aspect-ratio--16-9:16/9;--wp--preset--aspect-ratio--9-16:9/16;--wp--preset--color--black:#000;--wp--preset--color--cyan-bluish-gray:#abb8c3;--wp--preset--color--white:#fff;--wp--preset--color--pale-pink:#f78da7;--wp--preset--color--vivid-red:#cf2e2e;--wp--preset--color--luminous-vivid-orange:#ff6900;--wp--preset--color--luminous-vivid-amber:#fcb900;--wp--preset--color--light-green-cyan:#7bdcb5;--wp--preset--color--vivid-green-cyan:#00d084;--wp--preset--color--pale-cyan-blue:#8ed1fc;--wp--preset--color--vivid-cyan-blue:#0693e3;--wp--preset--color--vivid-purple:#9b51e0;--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple:linear-gradient(135deg,#0693e3 0%,#9b51e0 100%);--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan:linear-gradient(135deg,#7adcb4 0%,#00d082 100%);--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange:linear-gradient(135deg,#fcb900 0%,#ff6900 100%);--wp--preset--gradient--luminous-vivid-orange-to-vivid-red:linear-gradient(135deg,#ff6900 0%,#cf2e2e 100%);--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray:linear-gradient(135deg,#eee 0%,#a9b8c3 100%);--wp--preset--gradient--cool-to-warm-spectrum:linear-gradient(135deg,#4aeadc 0%,#9778d1 20%,#cf2aba 40%,#ee2c82 60%,#fb6962 80%,#fef84c 100%);--wp--preset--gradient--blush-light-purple:linear-gradient(135deg,#ffceec 0%,#9896f0 100%);--wp--preset--gradient--blush-bordeaux:linear-gradient(135deg,#fecda5 0%,#fe2d2d 50%,#6b003e 100%);--wp--preset--gradient--luminous-dusk:linear-gradient(135deg,#ffcb70 0%,#c751c0 50%,#4158d0 100%);--wp--preset--gradient--pale-ocean:linear-gradient(135deg,#fff5cb 0%,#b6e3d4 50%,#33a7b5 100%);--wp--preset--gradient--electric-grass:linear-gradient(135deg,#caf880 0%,#71ce7e 100%);--wp--preset--gradient--midnight:linear-gradient(135deg,#020381 0%,#2874fc 100%);--wp--preset--font-size--small:13px;--wp--preset--font-size--medium:20px;--wp--preset--font-size--large:36px;--wp--preset--font-size--x-large:42px;--wp--preset--spacing--20:.44rem;--wp--preset--spacing--30:.67rem;--wp--preset--spacing--40:1rem;--wp--preset--spacing--50:1.5rem;--wp--preset--spacing--60:2.25rem;--wp--preset--spacing--70:3.38rem;--wp--preset--spacing--80:5.06rem;--wp--preset--shadow--natural:6px 6px 9px rgba(0,0,0,.2);--wp--preset--shadow--deep:12px 12px 50px rgba(0,0,0,.4);--wp--preset--shadow--sharp:6px 6px 0px rgba(0,0,0,.2);--wp--preset--shadow--outlined:6px 6px 0px -3px #fff,6px 6px #000;--wp--preset--shadow--crisp:6px 6px 0px #000}:where(.is-layout-flex){gap:.5em}:where(.is-layout-grid){gap:.5em}body .is-layout-flex{display:flex}.is-layout-flex{flex-wrap:wrap;align-items:center}.is-layout-flex > :is(*, div){margin:0}body .is-layout-grid{display:grid}.is-layout-grid > :is(*, div){margin:0}:where(.wp-block-columns.is-layout-flex){gap:2em}:where(.wp-block-columns.is-layout-grid){gap:2em}:where(.wp-block-post-template.is-layout-flex){gap:1.25em}:where(.wp-block-post-template.is-layout-grid){gap:1.25em}.has-black-color{color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-color{color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-color{color:var(--wp--preset--color--white) !important}.has-pale-pink-color{color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-color{color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-color{color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-color{color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-color{color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-color{color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-color{color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-color{color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-color{color:var(--wp--preset--color--vivid-purple) !important}.has-black-background-color{background-color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-background-color{background-color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-background-color{background-color:var(--wp--preset--color--white) !important}.has-pale-pink-background-color{background-color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-background-color{background-color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-background-color{background-color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-background-color{background-color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-background-color{background-color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-background-color{background-color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-background-color{background-color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-background-color{background-color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-background-color{background-color:var(--wp--preset--color--vivid-purple) !important}.has-black-border-color{border-color:var(--wp--preset--color--black) !important}.has-cyan-bluish-gray-border-color{border-color:var(--wp--preset--color--cyan-bluish-gray) !important}.has-white-border-color{border-color:var(--wp--preset--color--white) !important}.has-pale-pink-border-color{border-color:var(--wp--preset--color--pale-pink) !important}.has-vivid-red-border-color{border-color:var(--wp--preset--color--vivid-red) !important}.has-luminous-vivid-orange-border-color{border-color:var(--wp--preset--color--luminous-vivid-orange) !important}.has-luminous-vivid-amber-border-color{border-color:var(--wp--preset--color--luminous-vivid-amber) !important}.has-light-green-cyan-border-color{border-color:var(--wp--preset--color--light-green-cyan) !important}.has-vivid-green-cyan-border-color{border-color:var(--wp--preset--color--vivid-green-cyan) !important}.has-pale-cyan-blue-border-color{border-color:var(--wp--preset--color--pale-cyan-blue) !important}.has-vivid-cyan-blue-border-color{border-color:var(--wp--preset--color--vivid-cyan-blue) !important}.has-vivid-purple-border-color{border-color:var(--wp--preset--color--vivid-purple) !important}.has-vivid-cyan-blue-to-vivid-purple-gradient-background{background:var(--wp--preset--gradient--vivid-cyan-blue-to-vivid-purple) !important}.has-light-green-cyan-to-vivid-green-cyan-gradient-background{background:var(--wp--preset--gradient--light-green-cyan-to-vivid-green-cyan) !important}.has-luminous-vivid-amber-to-luminous-vivid-orange-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-amber-to-luminous-vivid-orange) !important}.has-luminous-vivid-orange-to-vivid-red-gradient-background{background:var(--wp--preset--gradient--luminous-vivid-orange-to-vivid-red) !important}.has-very-light-gray-to-cyan-bluish-gray-gradient-background{background:var(--wp--preset--gradient--very-light-gray-to-cyan-bluish-gray) !important}.has-cool-to-warm-spectrum-gradient-background{background:var(--wp--preset--gradient--cool-to-warm-spectrum) !important}.has-blush-light-purple-gradient-background{background:var(--wp--preset--gradient--blush-light-purple) !important}.has-blush-bordeaux-gradient-background{background:var(--wp--preset--gradient--blush-bordeaux) !important}.has-luminous-dusk-gradient-background{background:var(--wp--preset--gradient--luminous-dusk) !important}.has-pale-ocean-gradient-background{background:var(--wp--preset--gradient--pale-ocean) !important}.has-electric-grass-gradient-background{background:var(--wp--preset--gradient--electric-grass) !important}.has-midnight-gradient-background{background:var(--wp--preset--gradient--midnight) !important}.has-small-font-size{font-size:var(--wp--preset--font-size--small) !important}.has-medium-font-size{font-size:var(--wp--preset--font-size--medium) !important}.has-large-font-size{font-size:var(--wp--preset--font-size--large) !important}.has-x-large-font-size{font-size:var(--wp--preset--font-size--x-large) !important}:where(.wp-block-post-template.is-layout-flex){gap:1.25em}:where(.wp-block-post-template.is-layout-grid){gap:1.25em}:where(.wp-block-term-template.is-layout-flex){gap:1.25em}:where(.wp-block-term-template.is-layout-grid){gap:1.25em}:where(.wp-block-columns.is-layout-flex){gap:2em}:where(.wp-block-columns.is-layout-grid){gap:2em}:root :where(.wp-block-pullquote){font-size:1.5em;line-height:1.6}button,input[type='button'],input[type='submit'],.button,.page-numbers.current,.page-numbers:hover,#page #infinite-handle button,#page #infinite-handle button:hover,.comment-navigation a,.su-button,.mobile-navigation,.toggle-active,.main-navigation .menu-cta a:hover{background-color:#0072e5}.entry-content p a,.entry-content p a:hover,.header-text a,.header-text a:hover,.entry-content .meta-list a,.post-navigation a:hover .post-title,.entry-header .entry-title a:hover,#page .more-link:hover,.site-footer a,.main-navigation a:hover,.main-navigation ul li.current-menu-item a,.main-navigation ul li.current-page-item a{color:#0072e5}.entry-content p a,.header-text a{box-shadow:inset 0 -1px 0 #0072e5}.entry-content p a:hover,.header-text a:hover{box-shadow:inset 0 -2px 0 #0072e5}.fbc-page .fbc-wrap .fbc-items{background-color:rgba(255,255,255,0)}.fbc-page .fbc-wrap .fbc-items li{font-size:14px}.fbc-page .fbc-wrap .fbc-items li a{color:#f4f4f4}.fbc-page .fbc-wrap .fbc-items li .fbc-separator{color:#fff}.fbc-page .fbc-wrap .fbc-items li.active span,.fbc-page .fbc-wrap .fbc-items li .fbc-end-text{color:#fff;font-size:14px}.e-con.e-parent:nth-of-type(n+4):not(.e-lazyloaded):not(.e-no-lazyload),.e-con.e-parent:nth-of-type(n+4):not(.e-lazyloaded):not(.e-no-lazyload) *{background-image:none !important}@media screen and (max-height: 1024px){.e-con.e-parent:nth-of-type(n+3):not(.e-lazyloaded):not(.e-no-lazyload),.e-con.e-parent:nth-of-type(n+3):not(.e-lazyloaded):not(.e-no-lazyload) *{background-image:none !important}.e-con.e-parent:nth-of-type(n+3):not(.e-lazyloaded):not(.e-no-lazyload).nitro-lazy,.e-con.e-parent:nth-of-type(n+3):not(.e-lazyloaded):not(.e-no-lazyload) *.nitro-lazy{background-image:none !important}}@media screen and (max-height: 640px){.e-con.e-parent:nth-of-type(n+2):not(.e-lazyloaded):not(.e-no-lazyload),.e-con.e-parent:nth-of-type(n+2):not(.e-lazyloaded):not(.e-no-lazyload) *{background-image:none !important}.e-con.e-parent:nth-of-type(n+2):not(.e-lazyloaded):not(.e-no-lazyload).nitro-lazy,.e-con.e-parent:nth-of-type(n+2):not(.e-lazyloaded):not(.e-no-lazyload) *.nitro-lazy{background-image:none !important}}.e-con.e-parent:nth-of-type(n+4):not(.e-lazyloaded):not(.e-no-lazyload).nitro-lazy,.e-con.e-parent:nth-of-type(n+4):not(.e-lazyloaded):not(.e-no-lazyload) *.nitro-lazy{background-image:none !important}.elementor-185 .elementor-element.elementor-element-42427fb{--display:flex;--min-height:0px;--flex-direction:row;--container-widget-width:calc(( 1 - var(--container-widget-flex-grow) ) * 100%);--container-widget-height:100%;--container-widget-flex-grow:1;--container-widget-align-self:stretch;--flex-wrap-mobile:wrap;--align-items:center;--gap:0px 0px;--row-gap:0px;--column-gap:0px;--border-radius:8px 8px 8px 8px;--padding-top:30px;--padding-bottom:30px;--padding-left:30px;--padding-right:30px}.elementor-185 .elementor-element.elementor-element-42427fb:not(.elementor-motion-effects-element-type-background),.elementor-185 .elementor-element.elementor-element-42427fb > .elementor-motion-effects-container > .elementor-motion-effects-layer{background-color:var(--e-global-color-3f1370a)}.elementor-185 .elementor-element.elementor-element-d8d0fae{--display:flex;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px}.elementor-185 .elementor-element.elementor-element-d8d0fae.e-con{--align-self:flex-start}.elementor-widget-heading .elementor-heading-title{font-family:var(--e-global-typography-primary-font-family),Sans-serif;font-weight:var(--e-global-typography-primary-font-weight);color:var(--e-global-color-primary)}.elementor-185 .elementor-element.elementor-element-a34542a .elementor-heading-title{font-family:"Roboto Condensed",Sans-serif;font-size:16px;font-weight:400;text-transform:uppercase;line-height:1.63em;color:#161719}.elementor-185 .elementor-element.elementor-element-1483bae{--display:flex;--min-height:104px;border-style:solid;--border-style:solid;border-width:0px 1px 0px 0px;--border-top-width:0px;--border-right-width:1px;--border-bottom-width:0px;--border-left-width:0px;border-color:var(--e-global-color-ba6ee50);--border-color:var(--e-global-color-ba6ee50);--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px}.elementor-185 .elementor-element.elementor-element-1483bae.e-con{--align-self:flex-start;--flex-grow:0;--flex-shrink:0}.elementor-185 .elementor-element.elementor-element-b3b7dc3 .elementor-heading-title{font-family:"Exo 2",Sans-serif;font-size:24px;font-weight:400;line-height:29px}.elementor-widget-post-info .elementor-icon-list-item:not(:last-child):after{border-color:var(--e-global-color-text)}.elementor-widget-post-info .elementor-icon-list-icon i{color:var(--e-global-color-primary)}.elementor-widget-post-info .elementor-icon-list-icon svg{fill:var(--e-global-color-primary)}.elementor-widget-post-info .elementor-icon-list-text,.elementor-widget-post-info .elementor-icon-list-text a{color:var(--e-global-color-secondary)}.elementor-widget-post-info .elementor-icon-list-item{font-family:var(--e-global-typography-text-font-family),Sans-serif;font-size:var(--e-global-typography-text-font-size);font-weight:var(--e-global-typography-text-font-weight);line-height:var(--e-global-typography-text-line-height)}.elementor-185 .elementor-element.elementor-element-46a01ca .elementor-icon-list-icon{width:14px}.elementor-185 .elementor-element.elementor-element-46a01ca .elementor-icon-list-icon i{font-size:14px}.elementor-185 .elementor-element.elementor-element-46a01ca .elementor-icon-list-icon svg{--e-icon-list-icon-size:14px}.elementor-185 .elementor-element.elementor-element-46a01ca .elementor-icon-list-text,.elementor-185 .elementor-element.elementor-element-46a01ca .elementor-icon-list-text a{color:#161719}.elementor-185 .elementor-element.elementor-element-46a01ca .elementor-icon-list-item{font-family:"Roboto Condensed",Sans-serif;font-size:16px;font-weight:400;text-transform:uppercase}.elementor-185 .elementor-element.elementor-element-aa9ebbb{--display:flex;--flex-direction:column;--container-widget-width:100%;--container-widget-height:initial;--container-widget-flex-grow:0;--container-widget-align-self:initial;--flex-wrap-mobile:wrap;--padding-top:0px;--padding-bottom:0px;--padding-left:0px;--padding-right:0px}.elementor-widget-button .elementor-button{background-color:var(--e-global-color-accent);font-family:var(--e-global-typography-accent-font-family),Sans-serif;font-weight:var(--e-global-typography-accent-font-weight)}.elementor-185 .elementor-element.elementor-element-392fa13 .elementor-button{background-color:var(--e-global-color-63c53dc);font-family:"Roboto Condensed",Sans-serif;font-size:15px;font-weight:400;text-transform:uppercase;text-decoration:underline;line-height:1.63em;letter-spacing:1.44px;fill:var(--e-global-color-d1e66ba);color:var(--e-global-color-d1e66ba);border-radius:40px 40px 40px 40px;padding:14px 22px 14px 22px}.elementor-185 .elementor-element.elementor-element-392fa13 .elementor-button:hover,.elementor-185 .elementor-element.elementor-element-392fa13 .elementor-button:focus{background-color:#fce433}.elementor-185 .elementor-element.elementor-element-392fa13{margin:0px 0px calc(var(--kit-widget-spacing,0px) + 0px) 0px}.elementor-185 .elementor-element.elementor-element-a43a1e7 .elementor-button{background-color:var(--e-global-color-3f1370a);fill:var(--e-global-color-secondary);color:var(--e-global-color-secondary);border-style:solid;border-width:0px 0px 1.5px 0px;border-color:var(--e-global-color-63c53dc);border-radius:0px 0px 0px 0px;padding:0px 0px 0px 0px}@media (max-width:1024px){.elementor-widget-post-info .elementor-icon-list-item{font-size:var(--e-global-typography-text-font-size);line-height:var(--e-global-typography-text-line-height)}}@media (min-width:768px){.elementor-185 .elementor-element.elementor-element-42427fb{--content-width:1430px}.elementor-185 .elementor-element.elementor-element-d8d0fae{--width:20%}.elementor-185 .elementor-element.elementor-element-1483bae{--width:55.87%}.elementor-185 .elementor-element.elementor-element-aa9ebbb{--width:20%}}@media (max-width:767px){.elementor-185 .elementor-element.elementor-element-42427fb{--gap:15px 15px;--row-gap:15px;--column-gap:15px;--padding-top:15px;--padding-bottom:15px;--padding-left:15px;--padding-right:15px}.elementor-185 .elementor-element.elementor-element-1483bae{border-width:0px 0px 1px 0px;--border-top-width:0px;--border-right-width:0px;--border-bottom-width:1px;--border-left-width:0px;--padding-top:0px;--padding-bottom:15px;--padding-left:0px;--padding-right:0px}.elementor-widget-post-info .elementor-icon-list-item{font-size:var(--e-global-typography-text-font-size);line-height:var(--e-global-typography-text-line-height)}.elementor-185 .elementor-element.elementor-element-aa9ebbb{--flex-direction:row;--container-widget-width:calc(( 1 - var(--container-widget-flex-grow) ) * 100%);--container-widget-height:100%;--container-widget-flex-grow:1;--container-widget-align-self:stretch;--flex-wrap-mobile:wrap;--justify-content:space-evenly;--align-items:center}}.elementor-post-info__terms-list-item{background-color:#395060;color:#fff;padding:5px 7px;border-radius:40px}.elementor-185 .elementor-element.elementor-element-392fa13 a:hover{text-decoration:none !important}.elementor-185 .elementor-element.elementor-element-a43a1e7:hover a{border:none !important}