diff --git a/common/utils.go b/common/utils.go
index fe185347..e3400174 100644
--- a/common/utils.go
+++ b/common/utils.go
@@ -1,6 +1,7 @@
 package common
 
 import (
+	"slices"
 	"strconv"
 )
 
@@ -45,3 +46,33 @@ func CheckMetadataKeyAndValueLength(limit int, metadata map[string]any) error {
 
 	return nil
 }
+
+// ValidateCountryAddress validate if country in object address contains in countries list using ISO 3166-1 alpha-2
+func ValidateCountryAddress(country string) error {
+	countries := []string{
+		"AD", "AE", "AF", "AG", "AI", "AL", "AM", "AO", "AQ", "AR", "AS", "AT", "AU", "AW", "AX", "AZ",
+		"BA", "BB", "BD", "BE", "BF", "BG", "BH", "BI", "BJ", "BL", "BM", "BN", "BO", "BQ", "BR", "BS", "BT", "BV", "BW",
+		"BY", "BZ", "CA", "CC", "CD", "CF", "CG", "CH", "CI", "CK", "CL", "CM", "CN", "CO", "CR", "CU", "CV", "CW", "CX",
+		"CY", "CZ", "DE", "DJ", "DK", "DM", "DO", "DZ", "EC", "EE", "EG", "EH", "ER", "ES", "ET", "FI", "FJ", "FK", "FM",
+		"FO", "FR", "GA", "GB", "GD", "GE", "GF", "GG", "GH", "GI", "GL", "GM", "GN", "GP", "GQ", "GR", "GS", "GT", "GU",
+		"GW", "GY", "HK", "HM", "HN", "HR", "HT", "HU", "ID", "IE", "IL", "IM", "IN", "IO", "IQ", "IR", "IS", "IT", "JE",
+		"JM", "JO", "JP", "KE", "KG", "KH", "KI", "KM", "KN", "KP", "KR", "KW", "KY", "KZ", "LA", "LB", "LC", "LI", "LK",
+		"LR", "LS", "LT", "LU", "LV", "LY", "MA", "MC", "MD", "ME", "MF", "MG", "MH", "MK", "ML", "MM", "MN", "MO", "MP",
+		"MQ", "MR", "MS", "MT", "MU", "MV", "MW", "MX", "MY", "MZ", "NA", "NC", "NE", "NF", "NG", "NI", "NL", "NO", "NP",
+		"NR", "NU", "NZ", "OM", "PA", "PE", "PF", "PG", "PH", "PK", "PL", "PM", "PN", "PR", "PS", "PT", "PW", "PY", "QA",
+		"RE", "RO", "RS", "RU", "RW", "SA", "SB", "SC", "SD", "SE", "SG", "SH", "SI", "SJ", "SK", "SL", "SM", "SN", "SO",
+		"SR", "SS", "ST", "SV", "SX", "SY", "SZ", "TC", "TD", "TF", "TG", "TH", "TJ", "TK", "TL", "TM", "TN", "TO", "TR",
+		"TT", "TV", "TW", "TZ", "UA", "UG", "UM", "US", "UY", "UZ", "VA", "VC", "VE", "VG", "VI", "VN", "VU", "WF", "WS",
+		"YE", "YT", "ZA", "ZM", "ZW",
+	}
+
+	if !slices.Contains(countries, country) {
+		return ValidationError{
+			Code:    "0032",
+			Title:   "Invalid Country Code",
+			Message: "The provided country code in the 'address.country' field does not conform to the ISO-3166 alpha-2 standard. Please provide a valid alpha-2 country code.",
+		}
+	}
+
+	return nil
+}
diff --git a/components/ledger/internal/app/command/create-organization.go b/components/ledger/internal/app/command/create-organization.go
index 1c4cd532..ea09627a 100644
--- a/components/ledger/internal/app/command/create-organization.go
+++ b/components/ledger/internal/app/command/create-organization.go
@@ -25,10 +25,14 @@ func (uc *UseCase) CreateOrganization(ctx context.Context, coi *o.CreateOrganiza
 		status = coi.Status
 	}
 
-	if coi.ParentOrganizationID != nil && len(*coi.ParentOrganizationID) == 0 {
+	if common.IsNilOrEmpty(coi.ParentOrganizationID) {
 		coi.ParentOrganizationID = nil
 	}
 
+	if err := common.ValidateCountryAddress(coi.Address.Country); err != nil {
+		return nil, err
+	}
+
 	organization := &o.Organization{
 		ParentOrganizationID: coi.ParentOrganizationID,
 		LegalName:            coi.LegalName,
diff --git a/components/ledger/internal/app/command/update-organization.go b/components/ledger/internal/app/command/update-organization.go
index 6454b74f..c3ee46f0 100644
--- a/components/ledger/internal/app/command/update-organization.go
+++ b/components/ledger/internal/app/command/update-organization.go
@@ -26,11 +26,20 @@ func (uc *UseCase) UpdateOrganizationByID(ctx context.Context, id string, uoi *o
 		}
 	}
 
+	if common.IsNilOrEmpty(uoi.ParentOrganizationID) {
+		uoi.ParentOrganizationID = nil
+	}
+
+	if err := common.ValidateCountryAddress(uoi.Address.Country); err != nil {
+		return nil, err
+	}
+
 	organization := &o.Organization{
-		LegalName:       uoi.LegalName,
-		DoingBusinessAs: uoi.DoingBusinessAs,
-		Address:         uoi.Address,
-		Status:          uoi.Status,
+		ParentOrganizationID: uoi.ParentOrganizationID,
+		LegalName:            uoi.LegalName,
+		DoingBusinessAs:      uoi.DoingBusinessAs,
+		Address:              uoi.Address,
+		Status:               uoi.Status,
 	}
 
 	organizationUpdated, err := uc.OrganizationRepo.Update(ctx, uuid.MustParse(id), organization)
diff --git a/components/ledger/internal/domain/onboarding/organization/organization.go b/components/ledger/internal/domain/onboarding/organization/organization.go
index f2cab36d..07ab05ba 100644
--- a/components/ledger/internal/domain/onboarding/organization/organization.go
+++ b/components/ledger/internal/domain/onboarding/organization/organization.go
@@ -36,11 +36,12 @@ type CreateOrganizationInput struct {
 
 // UpdateOrganizationInput is a struct design to encapsulate request update payload data.
 type UpdateOrganizationInput struct {
-	LegalName       string         `json:"legalName"`
-	DoingBusinessAs *string        `json:"doingBusinessAs,omitempty"`
-	Address         Address        `json:"address"`
-	Status          Status         `json:"status"`
-	Metadata        map[string]any `json:"metadata"`
+	LegalName            string         `json:"legalName"`
+	ParentOrganizationID *string        `json:"parentOrganizationId"`
+	DoingBusinessAs      *string        `json:"doingBusinessAs,omitempty"`
+	Address              Address        `json:"address"`
+	Status               Status         `json:"status"`
+	Metadata             map[string]any `json:"metadata"`
 }
 
 // Organization is a struct designed to encapsulate response payload data.
@@ -71,19 +72,17 @@ func (s Status) IsEmpty() bool {
 
 // Address structure for marshaling/unmarshalling JSON.
 type Address struct {
-	Line1        string  `json:"line1"`
-	Line2        *string `json:"line2,omitempty"`
-	Neighborhood string  `json:"neighborhood"`
-	ZipCode      string  `json:"zipCode"`
-	City         string  `json:"city"`
-	State        string  `json:"state"`
-	Country      string  `json:"country"` // According to ISO 3166-1 alpha-2
+	Line1   string  `json:"line1"`
+	Line2   *string `json:"line2,omitempty"`
+	ZipCode string  `json:"zipCode"`
+	City    string  `json:"city"`
+	State   string  `json:"state"`
+	Country string  `json:"country"` // According to ISO 3166-1 alpha-2
 }
 
 // IsEmpty method that set empty or nil in fields
 func (a Address) IsEmpty() bool {
-	return a.Line1 == "" && a.Line2 == nil && a.Neighborhood == "" &&
-		a.ZipCode == "" && a.City == "" && a.State == "" && a.Country == ""
+	return a.Line1 == "" && a.Line2 == nil && a.ZipCode == "" && a.City == "" && a.State == "" && a.Country == ""
 }
 
 // ToEntity converts an OrganizationPostgreSQLModel to entity.Organization