diff --git a/src/main/java/ru/investbook/web/forms/model/EventCashFlowModel.java b/src/main/java/ru/investbook/web/forms/model/EventCashFlowModel.java
index 9d3dc5a5..6513d0c9 100644
--- a/src/main/java/ru/investbook/web/forms/model/EventCashFlowModel.java
+++ b/src/main/java/ru/investbook/web/forms/model/EventCashFlowModel.java
@@ -19,6 +19,7 @@
 package ru.investbook.web.forms.model;
 
 import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Positive;
 import lombok.Data;
 import org.checkerframework.checker.nullness.qual.Nullable;
@@ -41,17 +42,17 @@ public class EventCashFlowModel {
     private @NotEmpty String portfolio;
 
     @DateTimeFormat(pattern = "yyyy-MM-dd")
-    private LocalDate date = LocalDate.now();
+    private @NotNull LocalDate date = LocalDate.now();
 
     @DateTimeFormat(pattern = "HH:mm:ss")
-    private LocalTime time = LocalTime.NOON;
+    private @NotNull LocalTime time = LocalTime.NOON;
 
-    private CashFlowType type;
+    private @NotNull CashFlowType type;
 
     /**
      * Negative value for cash out, otherwise - positive
      */
-    private BigDecimal value;
+    private @NotNull BigDecimal value;
 
     private @NotEmpty String valueCurrency = "RUB";
 
diff --git a/src/main/java/ru/investbook/web/forms/model/ForeignExchangeRateModel.java b/src/main/java/ru/investbook/web/forms/model/ForeignExchangeRateModel.java
index 4e4ac444..c5b74939 100644
--- a/src/main/java/ru/investbook/web/forms/model/ForeignExchangeRateModel.java
+++ b/src/main/java/ru/investbook/web/forms/model/ForeignExchangeRateModel.java
@@ -19,6 +19,7 @@
 package ru.investbook.web.forms.model;
 
 import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Positive;
 import lombok.Data;
 import org.springframework.format.annotation.DateTimeFormat;
@@ -30,13 +31,14 @@
 public class ForeignExchangeRateModel {
 
     @DateTimeFormat(pattern = "yyyy-MM-dd")
-    private LocalDate date = LocalDate.now();
+    private @NotNull LocalDate date = LocalDate.now();
 
     private @NotEmpty String baseCurrency;
 
-    @NotEmpty String quoteCurrency;
+    @NotEmpty
+    String quoteCurrency;
 
-    private @Positive BigDecimal rate;
+    private @Positive @NotNull BigDecimal rate;
 
     public void setBaseCurrency(String currency) {
         this.baseCurrency = currency.toUpperCase();
diff --git a/src/main/java/ru/investbook/web/forms/model/PortfolioCashModel.java b/src/main/java/ru/investbook/web/forms/model/PortfolioCashModel.java
index 967e59bc..eb897fae 100644
--- a/src/main/java/ru/investbook/web/forms/model/PortfolioCashModel.java
+++ b/src/main/java/ru/investbook/web/forms/model/PortfolioCashModel.java
@@ -19,6 +19,7 @@
 package ru.investbook.web.forms.model;
 
 import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import org.checkerframework.checker.nullness.qual.Nullable;
@@ -39,12 +40,12 @@ public class PortfolioCashModel {
     private @Nullable String market;
 
     @DateTimeFormat(pattern = "yyyy-MM-dd")
-    private LocalDate date = LocalDate.now();
+    private @NotNull LocalDate date = LocalDate.now();
 
     @DateTimeFormat(pattern = "HH:mm:ss")
-    private LocalTime time = LocalTime.NOON;
+    private @NotNull LocalTime time = LocalTime.NOON;
 
-    private BigDecimal cash = BigDecimal.ZERO;
+    private @NotNull BigDecimal cash = BigDecimal.ZERO;
 
-    private String currency = "RUB";
+    private @NotEmpty String currency = "RUB";
 }
diff --git a/src/main/java/ru/investbook/web/forms/model/PortfolioPropertyModel.java b/src/main/java/ru/investbook/web/forms/model/PortfolioPropertyModel.java
index 621ff2fc..23edd150 100644
--- a/src/main/java/ru/investbook/web/forms/model/PortfolioPropertyModel.java
+++ b/src/main/java/ru/investbook/web/forms/model/PortfolioPropertyModel.java
@@ -19,6 +19,7 @@
 package ru.investbook.web.forms.model;
 
 import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
 import lombok.Data;
 import org.checkerframework.checker.nullness.qual.Nullable;
 import org.springframework.format.annotation.DateTimeFormat;
@@ -34,8 +35,8 @@ public abstract class PortfolioPropertyModel {
     private @NotEmpty String portfolio;
 
     @DateTimeFormat(pattern = "yyyy-MM-dd")
-    private LocalDate date = LocalDate.now();
+    private @NotNull LocalDate date = LocalDate.now();
 
     @DateTimeFormat(pattern = "HH:mm:ss")
-    private LocalTime time = LocalTime.NOON;
+    private @NotNull LocalTime time = LocalTime.NOON;
 }
diff --git a/src/main/java/ru/investbook/web/forms/model/PortfolioPropertyTotalAssetsModel.java b/src/main/java/ru/investbook/web/forms/model/PortfolioPropertyTotalAssetsModel.java
index e05e2e87..f583d46c 100644
--- a/src/main/java/ru/investbook/web/forms/model/PortfolioPropertyTotalAssetsModel.java
+++ b/src/main/java/ru/investbook/web/forms/model/PortfolioPropertyTotalAssetsModel.java
@@ -18,6 +18,7 @@
 
 package ru.investbook.web.forms.model;
 
+import jakarta.validation.constraints.NotNull;
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import org.spacious_team.broker.pojo.PortfolioPropertyType;
@@ -31,9 +32,9 @@
 @EqualsAndHashCode(callSuper = true)
 public class PortfolioPropertyTotalAssetsModel extends PortfolioPropertyModel {
 
-    private BigDecimal totalAssets;
+    private @NotNull BigDecimal totalAssets;
 
-    private Currency totalAssetsCurrency;
+    private @NotNull Currency totalAssetsCurrency;
 
     public enum Currency {
         RUB, USD;
diff --git a/src/main/java/ru/investbook/web/forms/model/SecurityDescriptionModel.java b/src/main/java/ru/investbook/web/forms/model/SecurityDescriptionModel.java
index 7650c2e4..096b744e 100644
--- a/src/main/java/ru/investbook/web/forms/model/SecurityDescriptionModel.java
+++ b/src/main/java/ru/investbook/web/forms/model/SecurityDescriptionModel.java
@@ -19,6 +19,7 @@
 package ru.investbook.web.forms.model;
 
 import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
 import lombok.Data;
 import org.checkerframework.checker.nullness.qual.Nullable;
 
@@ -31,9 +32,9 @@ public class SecurityDescriptionModel {
      */
     private @NotEmpty String security = "Наименование (RU0000000000)";
 
-    private @Nullable @NotEmpty String sector;
+    private @NotEmpty String sector;
 
-    private SecurityType securityType;
+    private @NotNull SecurityType securityType;
 
     public void setSecurity(Integer securityId, @Nullable String securityIsin, @Nullable String securityName, SecurityType securityType) {
         this.securityId = securityId;
diff --git a/src/main/java/ru/investbook/web/forms/model/SecurityEventCashFlowModel.java b/src/main/java/ru/investbook/web/forms/model/SecurityEventCashFlowModel.java
index d595ae06..5cfcbc32 100644
--- a/src/main/java/ru/investbook/web/forms/model/SecurityEventCashFlowModel.java
+++ b/src/main/java/ru/investbook/web/forms/model/SecurityEventCashFlowModel.java
@@ -19,6 +19,7 @@
 package ru.investbook.web.forms.model;
 
 import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.PositiveOrZero;
 import lombok.Data;
 import org.checkerframework.checker.nullness.qual.Nullable;
@@ -39,10 +40,10 @@ public class SecurityEventCashFlowModel {
     private @NotEmpty String portfolio;
 
     @DateTimeFormat(pattern = "yyyy-MM-dd")
-    private LocalDate date = LocalDate.now();
+    private @NotNull LocalDate date = LocalDate.now();
 
     @DateTimeFormat(pattern = "HH:mm:ss")
-    private LocalTime time = LocalTime.NOON;
+    private @NotNull LocalTime time = LocalTime.NOON;
 
     /**
      * In "name (isin)" or "contract-name" format
@@ -51,9 +52,9 @@ public class SecurityEventCashFlowModel {
 
     private int count;
 
-    private CashFlowType type;
+    private @NotNull CashFlowType type;
 
-    private BigDecimal value;
+    private @NotNull BigDecimal value;
 
     private @NotEmpty String valueCurrency = "RUB";
 
diff --git a/src/main/java/ru/investbook/web/forms/model/SecurityQuoteModel.java b/src/main/java/ru/investbook/web/forms/model/SecurityQuoteModel.java
index 012474b3..9b528dcd 100644
--- a/src/main/java/ru/investbook/web/forms/model/SecurityQuoteModel.java
+++ b/src/main/java/ru/investbook/web/forms/model/SecurityQuoteModel.java
@@ -19,6 +19,7 @@
 package ru.investbook.web.forms.model;
 
 import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Positive;
 import jakarta.validation.constraints.PositiveOrZero;
 import lombok.Data;
@@ -41,11 +42,11 @@ public class SecurityQuoteModel {
      */
     private @NotEmpty String security;
 
-    private SecurityType securityType;
+    private @NotNull SecurityType securityType;
 
-    private Instant timestamp = LocalDate.now().atTime(LocalTime.NOON).atZone(systemDefault()).toInstant();
+    private @NotNull Instant timestamp = LocalDate.now().atTime(LocalTime.NOON).atZone(systemDefault()).toInstant();
 
-    private @Positive BigDecimal quote;
+    private @NotNull @Positive BigDecimal quote;
 
     private @Nullable @Positive BigDecimal price;
 
diff --git a/src/main/java/ru/investbook/web/forms/model/SplitModel.java b/src/main/java/ru/investbook/web/forms/model/SplitModel.java
index 6a9d34b5..c207f62f 100644
--- a/src/main/java/ru/investbook/web/forms/model/SplitModel.java
+++ b/src/main/java/ru/investbook/web/forms/model/SplitModel.java
@@ -19,6 +19,7 @@
 package ru.investbook.web.forms.model;
 
 import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Positive;
 import lombok.Data;
 import org.checkerframework.checker.nullness.qual.Nullable;
@@ -36,10 +37,10 @@ public class SplitModel {
     private @NotEmpty String portfolio;
 
     @DateTimeFormat(pattern = "yyyy-MM-dd")
-    private LocalDate date = LocalDate.now();
+    private @NotNull LocalDate date = LocalDate.now();
 
     @DateTimeFormat(pattern = "HH:mm")
-    private LocalTime time = LocalTime.NOON;
+    private @NotNull LocalTime time = LocalTime.NOON;
 
     /**
      * In "name (isin)" format
diff --git a/src/main/java/ru/investbook/web/forms/model/TransactionModel.java b/src/main/java/ru/investbook/web/forms/model/TransactionModel.java
index 59de0f6b..8d9f0cd3 100644
--- a/src/main/java/ru/investbook/web/forms/model/TransactionModel.java
+++ b/src/main/java/ru/investbook/web/forms/model/TransactionModel.java
@@ -19,6 +19,7 @@
 package ru.investbook.web.forms.model;
 
 import jakarta.validation.constraints.NotEmpty;
+import jakarta.validation.constraints.NotNull;
 import jakarta.validation.constraints.Positive;
 import jakarta.validation.constraints.PositiveOrZero;
 import jakarta.xml.bind.DatatypeConverter;
@@ -56,20 +57,20 @@ public class TransactionModel {
 
     private @NotEmpty String portfolio;
 
-    private Action action;
+    private @NotNull Action action;
 
     @DateTimeFormat(pattern = "yyyy-MM-dd")
-    private LocalDate date = LocalDate.now();
+    private @NotNull LocalDate date = LocalDate.now();
 
     @DateTimeFormat(pattern = "HH:mm:ss")
-    private LocalTime time = LocalTime.NOON;
+    private @NotNull LocalTime time = LocalTime.NOON;
 
     /**
      * In "name (isin)" or "contract-name" format
      */
     private @NotEmpty String security;
 
-    private SecurityType securityType;
+    private @NotNull SecurityType securityType;
 
     private @Positive int count;