--- a/samples_macros.xml	Wed Mar 27 16:46:55 2024 +0000
+++ b/samples_macros.xml	Wed Jun 12 16:01:11 2024 +0000
@@ -126,13 +126,13 @@
                 <param name="sample_description" type="text" help="e.g: liver cells" label="Describe the type of sample"/>
                 <param name="scientific_name" type="text" label="Enter the species of the sample" help="e.g Severe acute respiratory syndrome coronavirus 2"/>
                 <param name="tax_id" type="text" label="Enter the taxonomic ID corresponding to the sample species" />
-                <param name="collection_date" type="text" label="Collection date" optional="True" help="options are: YYYY, YYYY-MM, YYYY-MM-DD, not collected, restricted access or not provided">
+                <param name="collection_date" type="text" label="Collection date" optional="False" help="options are: YYYY, YYYY-MM, YYYY-MM-DD, not collected, restricted access or not provided">
                     <option value="not collected">not collected</option>
                     <option value="restricted access">restricted access</option>
                     <option value="not provided">not provided</option>
                     <validator type="regex"  message="Data format is not valid">(^[0-9]{4}(-[0-9]{2}(-[0-9]{2}(T[0-9]{2}:[0-9]{2}(:[0-9]{2})?Z?([+-][0-9]{1,2})?)?)?)?(/[0-9]{4}(-[0-9]{2}(-[0-9]{2}(T[0-9]{2}:[0-9]{2}(:[0-9]{2})?Z?([+-][0-9]{1,2})?)?)?)?)?$)|(^not collected$)|(^not provided$)|(^restricted access$)</validator>
                 </param>
-                <param name="geo_location_country" type="select" label="Select the country where the sample was obtained">
+                <param name="geo_location_country" type="select" optional="False" label="Select the country where the sample was obtained">
                     <options from_data_table="geographic_location_1">
                         <column name="value" index="0"/>
                     </options>
@@ -211,13 +211,13 @@
                 <param name="sample_description" type="text" help="e.g: liver cells" label="Describe the type of sample"/>
                 <param name="scientific_name" type="text" label="Enter the species of the sample" help="e.g Severe acute respiratory syndrome coronavirus 2"/>
                 <param name="tax_id" type="integer" value="0" label="Enter the taxonomic ID corresponding to the sample species" />
-                <param name="collection_date" type="text" label="Collection date" optional="True" help="options are: YYYY, YYYY-MM, YYYY-MM-DD, not collected, restricted access or not provided">
+                <param name="collection_date" type="text" label="Collection date" optional="False" help="options are: YYYY, YYYY-MM, YYYY-MM-DD, not collected, restricted access or not provided">
                     <option value="not collected">not collected</option>
                     <option value="restricted access">restricted access</option>
                     <option value="not provided">not provided</option>
                     <validator type="regex"  message="Data format is not valid">(^[0-9]{4}(-[0-9]{2}(-[0-9]{2}(T[0-9]{2}:[0-9]{2}(:[0-9]{2})?Z?([+-][0-9]{1,2})?)?)?)?(/[0-9]{4}(-[0-9]{2}(-[0-9]{2}(T[0-9]{2}:[0-9]{2}(:[0-9]{2})?Z?([+-][0-9]{1,2})?)?)?)?)?$)|(^not collected$)|(^not provided$)|(^restricted access$)</validator>
                 </param>
-                <param name="geo_location_country" type="select" label="Select the country where the sample was obtained">
+                <param name="geo_location_country" type="select" optional="False" label="Select the country where the sample was obtained">
                     <options from_data_table="geographic_location_1">
                         <column name="value" index="0"/>
                     </options>