diff --git a/data/iseal-core.csv b/data/iseal-core.csv
index 1e6c59b7..2e9ab074 100644
--- a/data/iseal-core.csv
+++ b/data/iseal-core.csv
@@ -2,9 +2,9 @@ dspace field name,element name,mandatory?,element description,element guidance,e
 is.certificate.ID,"Certificate code, number or ID",,Certificate ID code,,,CERTIFICATION,Certificate,SINGLE VALUE ONLY,ISEAL,FREE VALUE,,
 is.certificate.locations,Certificate coverage type,,Whether a certificate covers single or multiple locations,select from control list,,CERTIFICATION,Certificate,SINGLE SELECT FROM CONTROL LIST,ISEAL,CONTROLLED VALUE,,Single-site||Multi-site
 is.certificate.duration,Certificate current duration,,The number of months a certificate is valid for,,,CERTIFICATION,Certificate,SINGLE VALUE ONLY,ISEAL,FREE VALUE,,
-is.certificate.endDate,Certificate current end date,,End date for the current certificate,yyyy-mm-dd,,CERTIFICATION,Certificate,SINGLE VALUE ONLY,ISEAL,DATE,,
-is.certificate.startDate,Certificate current start date,,Start date for the current certificate,yyyy-mm-dd,,CERTIFICATION,Certificate,SINGLE VALUE ONLY,ISEAL,DATE,,
-is.certificate.firstStartDate,Certificate first issue date,,First issue date for the certificate,yyyy-mm-dd,,CERTIFICATION,Certificate,SINGLE VALUE ONLY,ISEAL,DATE,,
+is.certificate.endDate,Certificate current end date,,End date for the current certificate,"Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,CERTIFICATION,Certificate,SINGLE VALUE ONLY,ISEAL,DATE,,
+is.certificate.startDate,Certificate current start date,,Start date for the current certificate,"Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,CERTIFICATION,Certificate,SINGLE VALUE ONLY,ISEAL,DATE,,
+is.certificate.firstStartDate,Certificate first issue date,,First issue date for the certificate,"Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,CERTIFICATION,Certificate,SINGLE VALUE ONLY,ISEAL,DATE,,
 is.certificate.licenseCode,Certificate license code,,License applied to a certificate,,,CERTIFICATION,Certificate,SINGLE VALUE ONLY,ISEAL,FREE VALUE,,
 is.certificate.licenseStatus,Certificate license status,,Whether a certificate license is valid or suspended,select from control list,,CERTIFICATION,Certificate,SINGLE SELECT FROM CONTROL LIST,ISEAL,CONTROLLED VALUE,,Suspended||Valid
 is.certificate.ownership,Certificate ownership type,,Whether a certificate covers individual or group owners,select from control list,,CERTIFICATION,Certificate,SINGLE SELECT FROM CONTROL LIST,ISEAL,CONTROLLED VALUE,,Individual||Group
@@ -39,8 +39,8 @@ is.certifiedSite.naturalSetAside,Certified site natural ecosystem set-aside,,Are
 is.certifiedSite.productionArea,Certified site production area,,Area in hectares,,,CERTIFICATION,Certified Resource or Site,SINGLE VALUE ONLY,ISEAL,FREE VALUE,,
 is.certifiedSite.restorationSetAside,Certified site restoration set-aside,,Area in hectares,,,CERTIFICATION,Certified Resource or Site,SINGLE VALUE ONLY,ISEAL,FREE VALUE,,
 is.certificate.sites,Certified sites number covered by the certificate,,The number of individual sites covered by a certificate,,,CERTIFICATION,Certified Resource or Site,SINGLE VALUE ONLY,ISEAL,FREE VALUE,,
-,Certifying body accreditation end date,,Date when a body's accreditation begins,yyyy-mm-dd,,CERTIFICATION,Certifying Body,SINGLE VALUE ONLY,ASI,DATE,,
-,Certifying body accreditation start date,,Date when a body's accreditation ends,yyyy-mm-dd,,CERTIFICATION,Certifying Body,SINGLE VALUE ONLY,ASI,DATE,,
+,Certifying body accreditation end date,,Date when a body's accreditation begins,"Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,CERTIFICATION,Certifying Body,SINGLE VALUE ONLY,ASI,DATE,,
+,Certifying body accreditation start date,,Date when a body's accreditation ends,"Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,CERTIFICATION,Certifying Body,SINGLE VALUE ONLY,ASI,DATE,,
 ,Certifying body accreditation status,,,Select from control list,,CERTIFICATION,Certifying Body,SINGLE SELECT FROM CONTROL LIST,ASI,CONTROLLED VALUE,,Accedited||Applicant||Withdrawn
 ,Certifying body accredited geographic scope,,Countries the body is certified to work in. Terms should be in ISO 3166-1 format.,select from control list,,CERTIFICATION,Certifying Body,MULTI SELECT FROM CONTROL LIST,ASI,CONTROLLED VALUE,,"Afghanistan||Albania||Algeria||American Samoa||Andorra||Angola||Anguilla||Antarctica||Antigua and Barbuda||Argentina||Armenia||Aruba||Australia||Austria||Azerbaijan||Bahamas||Bahrain||Bangladesh||Barbados||Belarus||Belgium||Belize||Benin||Bermuda||Bhutan||Bolivia||Bosnia and Herzegovina||Botswana||Bouvet Island||Brazil||British Indian Ocean Territory||British Virgin Islands||Brunei Darussalam||Bulgaria||Burkina Faso||Burundi||Cape Verde||Cambodia||Cameroon||Canada||Cayman Islands||Central African Republic||Chad||Chile||China||Christmas Island||Cocos Islands||Colombia||Comoros||Congo||Democratic Republic of the Congo||Cook Islands||Costa Rica||Côte d'Ivoire||Croatia||Cuba||Curaçao||Cyprus||Czechia||Denmark||Djibouti||Dominica||Dominican Republic||Ecuador||Egypt||El Salvador||Equatorial Guinea||Eritrea||Estonia||Eswatini||Ethiopia||Falkland Islands||Faroe Islands||Fiji||Finland||France||French Guiana||French Polynesia||French Southern Territories||Gabon||Gambia||Georgia||Germany||Ghana||Gibraltar||Greece||Greenland||Grenada||Guadeloupe||Guam||Guatemala||Guernsey||Guinea||Guinea-Bissau||Guyana||Haiti||Heard and McDonald Islands||Holy See||Honduras||Hong Kong||Hungary||Iceland||India||Indonesia||Iran||Iraq||Ireland||Isle of Man||Israel||Italy||Jamaica||Japan||Jersey||Jordan||Kazakhstan||Kenya||Kiribati||Korea, DPR||Korea, Republic of||Kuwait||Kyrgyzstan||Laos||Latvia||Lebanon||Lesotho||Liberia||Libya||Liechtenstein||Lithuania||Luxembourg||Macao||Madagascar||Malawi||Malaysia||Maldives||Mali||Malta||Marshall Islands||Martinique||Mauritania||Mauritius||Mayotte||Mexico||Micronesia||Moldova||Monaco||Mongolia||Montenegro||Montserrat||Morocco||Mozambique||Myanmar||Namibia||Nauru||Nepal||Netherlands||New Caledonia||New Zealand||Nicaragua||Niger||Nigeria||Niue||Norfolk Island||North Macedonia||Northern Mariana Islands||Norway||Oman||Pakistan||Palau||Palestine||Panama||Papua New Guinea||Paraguay||Peru||Philippines||Pitcairn||Poland||Portugal||Puerto Rico||Qatar||Réunion||Romania||Russian Federation||Rwanda||Saint Barthélemy||Saint Helena, Ascension and Tristan da Cunha||Saint Kitts and Nevis||Saint Lucia||Saint Martin||Saint Pierre and Miquelon||Saint Vincent and the Grenadines||Samoa||San Marino||Sao Tome and Principe||Saudi Arabia||Senegal||Serbia||Seychelles||Sierra Leone||Singapore||Sint Maarten||Slovakia||Slovenia||Solomon Islands||Somalia||South Africa||South Georgia and South Sandwich Islands||South Sudan||Spain||Sri Lanka||Sudan||Suriname||Svalbard and Jan Mayen||Sweden||Switzerland||Syria||Taiwan||Tajikistan||United Republic of Tanzania||Thailand||Timor-Leste||Togo||Tokelau||Tonga||Trinidad and Tobago||Tunisia||Turkey||Turkmenistan||Turks and Caicos Islands||Tuvalu||Uganda||Ukraine||United Arab Emirates||United Kingdom||United States Minor Outlying Islands||United States of America||United States Virgin Islands||Uruguay||Uzbekistan||Vanuatu||Venezuela||Viet Nam||Wallis and Futuna||Western Sahara||Yemen||Zambia||Zimbabwe||Kosovo"
 ,Certifying body accredited technical scope,,,Select from control list,,CERTIFICATION,Certifying Body,MULTI SELECT FROM CONTROL LIST,ASI,CONTROLLED VALUE,,ASC aquaculture dialogue standard||ASC feed standard||FSC forest management||FSC chain of custody||GSTC Criteria for Hotels and Accommodations||GSTC Criteria for Tour Operators||MSC Fisheries||MSC Chain of Custody||RSB||RSPO Principles and Criteria for Sustainable Palm Oil Production||RSPO Supply Chain Certification Systems||SBP Biomass Production||SBP Chain of Custody||SuRe
@@ -122,21 +122,21 @@ is.focus.sustainIssue,Sustainability issue,,Specific sustainability issue(s) cov
 is.focus.sustainOutcome,Sustainability outcome,,Specific sustainability outcome(s) covered in the resource,select from control list,,GLOBAL,Scope,MULTI SELECT FROM CONTROL LIST,Evidensia,CONTROLLED VALUE,,"Access to credit and finance||Access to health care||Child education||Child labour||Child rights||Climate adaptation||Climate change||Deforestation and degradation||Fish stocks and bycatch||Food security and nutrition||Forests and ecosystems||Free prior and informed consent||Freshwater and oceans||Gender and women||GHG emissions||Health and safety||Health and wellbeing||Indigenous peoples and community rights||Land tenure||Livelihoods||Living income||Pesticides, fertilizers, and antibiotics||Plant and wildlife conservation||Premiums||Productivity, efficiency, and yield||Revenue, income, profitability||Smallholders||Soil erosion and health||Training||Wages / living wage||Water quality and quantity||Water, sanitation, and waste disposal||Workers' rights"
 is.identifier.schemeName,Sustainability scheme name,,Name of certification scheme or body associated with the resource,select from control list,,GLOBAL,Scope,MULTI SELECT FROM CONTROL LIST,ISEAL,CONTROLLED VALUE,,4C Association||Accountability Framework initiative||Africa Palm Oil Initiative TFA 2020||Aid by Trade||Alaska Responsible Fisheries Management Certification Program||Alliance for Water Stewardship||Aluminium Stewardship Initiative||Amazon Soy Moratorium||American Grassfed||Amsterdam Declaration||Aquaculture Stewardship Council||Asia Pacific Resources International Holdings Limited||Asia Pulp and Paper Group||Assurance Services International||Audubon G.U.L.F. RFM Certification Program||Australian Forest Certification Scheme||Ban on Uzbekistan Cotton||Best Aquaculture Practices||Better Cotton Initiative||Better Growth with Forests||Biomass Biofuels Voluntary Scheme (2BSvs)||Bird Friendly Coffee||Blue Swimming Crab and Octopus Philippines Platform||Bonsucro||Brazil Cattle Agreements||C.A.F.E. practices||Canadian Beef Roundtable||CCBA Sustainable Landscapes Rating Tool||Cerflor Brazilan Forest Certification Program||CERTFOR Chilean Sustainable Forest Management Certification System||CI Landscape Assessment/ Accounting Framework||Clean Marine Green Leaf Eco-Rating Program||Cocoa and Forests Initiative||Cocoalife (Mondelez)||Coffee Made Happy (Mondelez)||Collaboration for Forests and Agriculture||Colombia D-free palm oil pledge and program||Commitment to Action||Consumer Goods Forum||Cotton made in Africa||Dolphin Safe/ Dolphin Friendly||EnVeritas||Equitable Origin||Ethical Tea Partnership||Ethical Trading Initiative||EU Biofuels Requirement||Eurep GAP||Fair Trade USA||Fair Wear Foundation||Fairtrade International||FairWild||Field to Market||Financial Sector Engagement initiative||Florimark||FlorVerde||Flower Label Program||Marine Aquarium Council||Marine Stewardship Council||Marks and Spencer Sourcing Code||Nespresso AAA||Nike Code of Conduct||Novo Campo||Palm oil innovation group||Papua New Guinea Sustainable Palm Oil Platform||Partnership for Sustainable Textiles||Potato Sustainability Initiative||Programme for Endorsement of Forest Certification||Proterra Foundation||Rainforest Alliance||REDD+||Responsible Jewellery Council||Roundtable on Responsible Soy||Roundtable on Sustainable Biomaterials||Roundtable on Sustainable Palm Oil||RSPO Jurisdictional Palm Oil Certification||RSPO Next||SAI Platform||Sainsbury's Sourcing Code||Salmon-Safe||SD-Vista (Verra Standard)||Seafood Watch||Singapore Alliance for Sustainable Palm Oil||SIP Certified||Sistem Verificasi Legalitas Kayu||Small and Large Pelagic Fisheries Platform - Ecuador||Smithsonian Bird Friendly Quality Certification Services||Southeast Asia Initiative - TFA 2020||Starbucks CAFE practices||Sustainable Agriculture Network||Sustainable Apparel Coalition||Sustainable Coffee Challenge||Sustainable Commodities National Platform - Paraguay||Sustainable Eel Group||Sustainable Fisheries Partnership||Sustainable Forestry Initiative||Sustainable Pinneaple National Platform Initiative - Costa Rica||Textile Exchange||The Gold Standard||Trustea||Tuna and Blue Swimming Crab Platform Indonesia||UN Global Compact||UN Guiding Principles on Business and Human Rights||Unilever sustainable agriculture code||Union for Ethical BioTrade||US State Dept. Commodities/Jurisdiction Approach||UTZ||Value Beyond Value Chains||Walmart sustainable sourcing programs (incl Project Gigaton)||Food Alliance Certified||Food and Ranch Certification Program||Forest Stewardship Council||Friend of the Sea||GCF Impact Platform||GEO Foundation||Global Coffee Platform||Global GAP||Global Infrastructure Basel||Global Reporting Initiative||Global Roundtable for Sustainable Beef||Global Salmon Initiative||GoodWeave||High Carbon Stock Approach||High Conservation Value approach||Iceland Responsible Fisheries Management Certification Programme||IDH Verified Sourcing Areas||IFFO RS||Indonesia Sustainable Palm Oil Platform||Indonesia Sustainable Palm Oil Standard||International Federation of Organic Agriculture Movements||International Sustainability and Carbon Certification||Joint Solutions Project - Chile||Large Pelagic Sustainable Fisheries Platform - Costa Rica||Latin America Initiative - TFA 2020||Linking Environment And Farming||Living Forest Standards||Local Food Plus||Malaysia Sustainable Palm Oil Standard
 is.identifier.schemeType,Sustainability scheme type,,The approach that best characterizes the sustainability scheme covered by the resource,select from control list,,GLOBAL,Scope,MULTI SELECT FROM CONTROL LIST,ISEAL,CONTROLLED VALUE,,"Bans, moratoria, and multi-party agreements (for specific commodities/areas)||Jurisdictional approaches||Public or quasi-public sustainability standards||Specific global or regional implementation norms for responsible supply chains||Specific national plans, policies and platforms||Supplementary VSS tools||Supply chain investment programs||Sustainability performance and progress reporting||Sustainability requirements within trade or procurement policies||Sustainable sourcing codes||Voluntary Sustainability Standards"
-dcterms.issued,Date issued or published,MANDATORY,"Date of formal issuance (e.g., publication) of the resource.",yyyy-mm-dd,,GLOBAL,Status,SINGLE VALUE ONLY,dublin core,DATE,https://www.dublincore.org/specifications/dublin-core/dcmi-terms/terms/issued/,
+dcterms.issued,Date issued or published,MANDATORY,"Date of formal issuance (e.g., publication) of the resource.","Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,GLOBAL,Status,SINGLE VALUE ONLY,dublin core,DATE,https://www.dublincore.org/specifications/dublin-core/dcmi-terms/terms/issued/,
 is.item.status,Status,MANDATORY,The stage the resource has reached,select from control list,,GLOBAL,Status,SINGLE SELECT FROM CONTROL LIST,ISEAL,CONTROLLED VALUE,,Draft||Approved||Current||Final||Superceded
-dc.date.accessioned,Date accessioned by system,,Date a system takes possession of item.,yyyy-mm-dd,,GLOBAL,Status,SINGLE VALUE ONLY,dublin core,DATE,,
-dc.date.available,Date available through a system,,Date or date range item became available to the public.,yyyy-mm-dd,,GLOBAL,Status,SINGLE VALUE ONLY,dublin core,DATE,https://www.dublincore.org/specifications/dublin-core/dcmi-terms/terms/available/,
-dcterms.modified,Date changed,,Date when the resource was changed.,yyyy-mm-dd,,GLOBAL,Status,SINGLE VALUE ONLY,ISEAL,DATE,,
-dcterms.created,Date created,,Date of creation of the resource.,yyyy-mm-dd,,GLOBAL,Status,SINGLE VALUE ONLY,dublin core,DATE,https://www.dublincore.org/specifications/dublin-core/dcmi-terms/terms/created/,
-is.dateOfVersion,Date of version,,Date as indicated on the resource,yyyy-mm-dd,,GLOBAL,Status,SINGLE VALUE ONLY,ISEAL,DATE,,
-is.dateReviewed,Date reviewed,,"Date the resource was, is, will be reviewed",yyyy-mm-dd,,GLOBAL,Status,REPEAT VALUES,ISEAL,DATE,,
-is.dateRevised,Date revised,,"Date the resource was, is, will be revised",yyyy-mm-dd,,GLOBAL,Status,REPEAT VALUES,ISEAL,DATE,,
-dcterms.dateSubmitted,Date submitted,,Date when the resource is submitted to a repository or database,yyyy-mm-dd,,GLOBAL,Status,SINGLE VALUE ONLY,dublin core,DATE,https://www.dublincore.org/specifications/dublin-core/dcmi-terms/terms/dateSubmitted/,
+dc.date.accessioned,Date accessioned by system,,Date a system takes possession of item.,"Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,GLOBAL,Status,SINGLE VALUE ONLY,dublin core,DATE,,
+dc.date.available,Date available through a system,,Date or date range item became available to the public.,"Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,GLOBAL,Status,SINGLE VALUE ONLY,dublin core,DATE,https://www.dublincore.org/specifications/dublin-core/dcmi-terms/terms/available/,
+dcterms.modified,Date changed,,Date when the resource was changed.,"Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,GLOBAL,Status,SINGLE VALUE ONLY,ISEAL,DATE,,
+dcterms.created,Date created,,Date of creation of the resource.,"Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,GLOBAL,Status,SINGLE VALUE ONLY,dublin core,DATE,https://www.dublincore.org/specifications/dublin-core/dcmi-terms/terms/created/,
+is.dateOfVersion,Date of version,,Date as indicated on the resource,"Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,GLOBAL,Status,SINGLE VALUE ONLY,ISEAL,DATE,,
+is.dateReviewed,Date reviewed,,"Date the resource was, is, will be reviewed","Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,GLOBAL,Status,REPEAT VALUES,ISEAL,DATE,,
+is.dateRevised,Date revised,,"Date the resource was, is, will be revised","Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,GLOBAL,Status,REPEAT VALUES,ISEAL,DATE,,
+dcterms.dateSubmitted,Date submitted,,Date when the resource is submitted to a repository or database,"Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,GLOBAL,Status,SINGLE VALUE ONLY,dublin core,DATE,https://www.dublincore.org/specifications/dublin-core/dcmi-terms/terms/dateSubmitted/,
 is.extent.edition,Edition,,,,,GLOBAL,Status,SINGLE VALUE ONLY,ISEAL,FREE VALUE,,
 dcterms.isReplacedBy,Is replaced by another item or resource,,"A related resource that supplants, displaces, or supersedes the described resource.",Normally a link to a later or improved resource,,GLOBAL,Status,SINGLE VALUE ONLY,dublin core,URL,https://www.dublincore.org/specifications/dublin-core/dcmi-terms/terms/isReplacedBy/,
 is.item.reviewStatus,Peer review status,,Whether the resource has been peer reviewed,select from control list,,GLOBAL,Status,SINGLE SELECT FROM CONTROL LIST,ISEAL,CONTROLLED VALUE,,Peer reviewed
-is.dateOfVersion1,Standard date of version 1,,Date when version 1 of a standard was first issued,yyyy-mm-dd,,GLOBAL,Status,SINGLE VALUE ONLY,FSC,DATE,,
-dcterms.valid,Standard effective date,,Effective date of a code/standard or other resource.,yyyy-mm-dd,,GLOBAL,Status,SINGLE VALUE ONLY,dublin core,DATE,https://www.dublincore.org/specifications/dublin-core/dcmi-terms/terms/valid/,
+is.dateOfVersion1,Standard date of version 1,,Date when version 1 of a standard was first issued,"Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,GLOBAL,Status,SINGLE VALUE ONLY,FSC,DATE,,
+dcterms.valid,Standard effective date,,Effective date of a code/standard or other resource.,"Date in YYYY-MM-DD format. At the very least you must enter the year, but month and day is better if possible.",,GLOBAL,Status,SINGLE VALUE ONLY,dublin core,DATE,https://www.dublincore.org/specifications/dublin-core/dcmi-terms/terms/valid/,
 is.identifier.standardStatus,Standard status,,Status of development of a standard,select from control list,,GLOBAL,Status,SINGLE SELECT FROM CONTROL LIST,ISEAL,CONTROLLED VALUE,,Final||Interim
 is.extent.version,Version number,,Version number of a resource,Only if explicitly mentioned on the resource,,GLOBAL,Status,SINGLE VALUE ONLY,ISEAL,FREE VALUE,,
 is.evaluation.authorDirectionality,Evaluation author directionality,,,select from control list,,IMPACT,Impact,SINGLE SELECT FROM CONTROL LIST,ISEAL,CONTROLLED VALUE,,Intervention group performed better/positive change over time||No difference/no change over time||Non-intervention group performed better/negative change over time