diff --git a/bot/commands/code.go b/bot/commands/code.go
new file mode 100644
index 0000000..07c7be4
--- /dev/null
+++ b/bot/commands/code.go
@@ -0,0 +1,46 @@
+package commands
+
+import (
+	"github.com/drypa/ReceiptCollector/bot/backend"
+	"github.com/drypa/ReceiptCollector/bot/backend/user"
+	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api"
+	"log"
+	"regexp"
+)
+
+type ConfirmationCodeCommand struct {
+	provider   *user.Provider
+	grpcClient *backend.GrpcClient
+	regexp     *regexp.Regexp
+}
+
+func NewConfirmationCodeCommand(provider *user.Provider, grpcClient *backend.GrpcClient) *ConfirmationCodeCommand {
+	command := ConfirmationCodeCommand{
+		provider:   provider,
+		grpcClient: grpcClient,
+		regexp:     regexp.MustCompile(`^/code\s+(?P<code>\d{4})$`),
+	}
+	return &command
+}
+
+func (c ConfirmationCodeCommand) Accepted(message string) bool {
+	return c.regexp.MatchString(message)
+}
+
+func (c ConfirmationCodeCommand) Execute(update tgbotapi.Update, bot *tgbotapi.BotAPI) error {
+	userId, err := c.provider.GetUserId(update.Message.From.ID)
+	if err != nil {
+		return err
+	}
+	code := c.getCodeFromRequest(update.Message.Text)
+	log.Printf("User %s verify phone with code %s\n", userId, code)
+	//TODO: send to server
+	return nil
+}
+
+func (c ConfirmationCodeCommand) getCodeFromRequest(message string) string {
+	matches := c.regexp.FindStringSubmatch(message)
+	index := c.regexp.SubexpIndex("code")
+	code := matches[index]
+	return code
+}
diff --git a/bot/commands/code_test.go b/bot/commands/code_test.go
new file mode 100644
index 0000000..9c531b6
--- /dev/null
+++ b/bot/commands/code_test.go
@@ -0,0 +1,60 @@
+package commands
+
+import "testing"
+
+func TestAccepted_ConfirmationCodeCommand_Success(t *testing.T) {
+	command := NewConfirmationCodeCommand(nil, nil)
+
+	variants := make([]string, 0)
+	variants = append(variants, "/code 1234")
+	variants = append(variants, "/code	9876")
+	variants = append(variants, "/code    0000")
+	variants = append(variants, "/code 	 0001")
+
+	for _, s := range variants {
+		res := command.Accepted(s)
+		if !res {
+			t.Fatalf("message '%s' is not acceptable for ConfirmationCodeCommand", s)
+		}
+	}
+}
+
+func TestAccepted_ConfirmationCodeCommand_Failed(t *testing.T) {
+	command := NewConfirmationCodeCommand(nil, nil)
+
+	variants := make([]string, 0)
+	variants = append(variants, "")
+	variants = append(variants, " ")
+	variants = append(variants, "	")
+	variants = append(variants, "/code")
+	variants = append(variants, "code 1234")
+	variants = append(variants, "/code1234")
+	variants = append(variants, "	/code 1234 ")
+	variants = append(variants, "/code +")
+	variants = append(variants, "/code ++++")
+	variants = append(variants, "/code dddd")
+	variants = append(variants, "/code 1")
+	variants = append(variants, "/code 12")
+	variants = append(variants, "/code 123")
+	variants = append(variants, "/code 12345")
+	variants = append(variants, "/code +.*")
+
+	for _, s := range variants {
+		res := command.Accepted(s)
+		if res {
+			t.Fatalf("message '%s' is accepted for RegisterCommand", s)
+		}
+	}
+}
+
+func Test_getCodeFromRequest_Success(t *testing.T) {
+	command := NewConfirmationCodeCommand(nil, nil)
+
+	message := "/code 0101"
+
+	phone := command.getCodeFromRequest(message)
+	expected := "0101"
+	if phone != expected {
+		t.Fatalf("wrong code returned from getCodeFromRequest. Expeced '%s' but got '%s'", expected, phone)
+	}
+}