zulip/static/templates/settings/organization_settings_admin.hbs

<div id="organization-settings" data-name="organization-settings" class="settings-section">
    <form class="form-horizontal admin-realm-form org-settings-form">

        <div id="org-notifications" class="org-subsection-parent">
            <div class="subsection-header">
                <h3>{{t "Notifications" }}</h3>
                {{> settings_save_discard_widget section_name="notifications" }}
            </div>
            <div class="inline-block organization-settings-parent">
                {{> settings_checkbox
                  setting_name="realm_send_welcome_emails"
                  prefix="id_"
                  is_checked=realm_send_welcome_emails
                  label=admin_settings_label.realm_send_welcome_emails}}
                {{#if settings_send_digest_emails }}
                {{> settings_checkbox
                  setting_name="realm_digest_emails_enabled"
                  prefix="id_"
                  is_checked=realm_digest_emails_enabled
                  label=admin_settings_label.realm_digest_emails_enabled}}
                {{/if}}
                <div class="input-group">
                    <label for="realm_digest_weekday" class="dropdown-title">{{t "Day of the week to send digests" }}</label>
                    <select name="realm_digest_weekday"
                      id="id_realm_digest_weekday"
                      class="setting-widget prop-element"
                      data-setting-widget-type="number">
                        <option value="0">{{t "Monday" }}</option>
                        <option value="1">{{t "Tuesday" }}</option>
                        <option value="2">{{t "Wednesday" }}</option>
                        <option value="3">{{t "Thursday" }}</option>
                        <option value="4">{{t "Friday" }}</option>
                        <option value="5">{{t "Saturday" }}</option>
                        <option value="6">{{t "Sunday" }}</option>
                    </select>
                </div>
            </div>

            {{> dropdown_list_widget
              widget_name="realm_notifications_stream_id"
              list_placeholder=(t 'Filter streams')
              reset_button_text=(t '[Disable]')
              label=admin_settings_label.realm_notifications_stream }}

            {{> dropdown_list_widget
              widget_name="realm_signup_notifications_stream_id"
              list_placeholder=(t 'Filter streams')
              reset_button_text=(t '[Disable]')
              label=admin_settings_label.realm_signup_notifications_stream }}

        </div>

        <div id="org-user-defaults" class="org-subsection-parent">
            <div class="subsection-header">
                <h3>{{t "Default user settings" }}</h3>
                {{> settings_save_discard_widget section_name="user-defaults" }}
            </div>
            <p>{{t "Default settings for new users joining this organization." }}</p>
            <div class="inline-block organization-settings-parent">
                <div class="input-group">
                    <label for="realm_default_language" class="dropdown-title">{{t "Default language" }}</label>
                    <select name="realm_default_language" class ="setting-widget prop-element" id="id_realm_default_language" data-setting-widget-type="string">
                        {{#each language_list}}
                        <option value='{{this.code}}'>{{this.name}}</option>
                        {{/each}}
                    </select>
                </div>
                <div class="input-group">
                    <label for="realm_default_twenty_four_hour_time" class="dropdown-title">{{ admin_settings_label.realm_default_twenty_four_hour_time }}</label>
                    <select name="realm_default_twenty_four_hour_time" class ="setting-widget prop-element" id="id_realm_default_twenty_four_hour_time" data-setting-widget-type="string">
                        {{#each realm_default_twenty_four_hour_time_values}}
                        <option value='{{ this.value }}'>{{ this.description }}</option>
                        {{/each}}
                    </select>
                </div>
            </div>
        </div>

        <div id="org-message-retention" class="org-subsection-parent">
            <div class="subsection-header">
                <h3>{{t "Message retention" }}
                    {{> ../help_link_widget link="/help/message-retention-policy" }}
                </h3>
                {{> settings_save_discard_widget section_name="message-retention" }}
            </div>

            {{> upgrade_tip_widget }}

            <div class="inline-block organization-settings-parent">
                <div class="input-group">
                    <label for="id_realm_message_retention_setting" class="dropdown-title">{{t "Message retention period" }}
                        <i class="fa fa-info-circle settings-info-icon realm_message_retention_tooltip tippy-zulip-tooltip"
                          aria-hidden="true" data-tippy-content="{{t 'Only owners can change message retention policy.' }}"></i>
                    </label>
                    <select name="realm_message_retention_setting"
                      id="id_realm_message_retention_setting" class="prop-element"
                      {{#unless zulip_plan_is_not_limited}}disabled{{/unless}}>
                        <option value="retain_forever">{{t 'Retain forever' }}</option>
                        <option value="retain_for_period">{{t 'Retain for N days after posting' }}</option>
                    </select>

                    <div class="dependent-inline-block">
                        <label for="id_realm_message_retention_days" class="inline-block realm-time-limit-label">
                            {{t 'N' }}:
                        </label>
                        <input type="text" id="id_realm_message_retention_days" autocomplete="off"
                          name="realm_message_retention_days"
                          class="admin-realm-message-retention-days prop-element"
                          value="{{ realm_message_retention_days }}"
                          data-setting-widget-type="number"
                          {{#unless zulip_plan_is_not_limited}}disabled{{/unless}}/>
                    </div>
                </div>
            </div>
        </div>

        <div id="org-other-settings" class="org-subsection-parent">
            <div class="subsection-header">
                <h3>{{t "Other settings" }}</h3>
                {{> settings_save_discard_widget section_name="other-settings" }}
            </div>
            <div class="inline-block organization-settings-parent">
                <div class="input-group">
                    <label for="realm_video_chat_provider" class="dropdown-title">
                        {{t 'Video call provider' }}
                    </label>
                    <select name="realm_video_chat_provider" class ="setting-widget prop-element" id="id_realm_video_chat_provider" data-setting-widget-type="number">
                        {{#each realm_available_video_chat_providers}}
                        <option value='{{this.id}}'>{{this.name}}</option>
                        {{/each}}
                    </select>
                </div>
                <div class="input-group">
                    <label for="realm_giphy_rating" class="dropdown-title">
                        {{t 'GIPHY integration' }}
                        {{> ../help_link_widget link=giphy_help_link }}
                    </label>
                    <select name="realm_giphy_rating" class ="setting-widget prop-element" id="id_realm_giphy_rating" data-setting-widget-type="number" {{#if giphy_api_key_empty}}disabled{{/if}}>
                        {{#each giphy_rating_options}}
                        <option value='{{this.id}}'>{{this.name}}</option>
                        {{/each}}
                    </select>
                </div>


                {{> dropdown_list_widget
                  widget_name="realm_default_code_block_language"
                  list_placeholder=(t 'Filter languages')
                  reset_button_text=(t '[Unset]')
                  label=admin_settings_label.realm_default_code_block_language }}

                {{> settings_checkbox
                  setting_name="realm_message_content_allowed_in_email_notifications"
                  prefix="id_"
                  is_checked=realm_message_content_allowed_in_email_notifications
                  label=admin_settings_label.realm_message_content_allowed_in_email_notifications}}

                {{> settings_checkbox
                  setting_name="realm_mandatory_topics"
                  prefix="id_"
                  is_checked=realm_mandatory_topics
                  label=admin_settings_label.realm_mandatory_topics}}

                {{#if server_inline_image_preview}}
                {{> settings_checkbox
                  setting_name="realm_inline_image_preview"
                  prefix="id_"
                  is_checked=realm_inline_image_preview
                  label=admin_settings_label.realm_inline_image_preview
                  help_link="/help/allow-image-link-previews"}}
                {{/if}}

                {{#if server_inline_url_embed_preview}}
                {{> settings_checkbox
                  setting_name="realm_inline_url_embed_preview"
                  prefix="id_"
                  is_checked=realm_inline_url_embed_preview
                  label=admin_settings_label.realm_inline_url_embed_preview
                  help_link="/help/allow-image-link-previews"}}
                {{/if}}
            </div>
        </div>
    </form>
</div>