Issue-ID: SDC-1237
Change-Id: I032476dd47817febb449c51ce8e46db8f3d395be
Signed-off-by: svishnev <shlomo-stanisla.vishnevetskiy@amdocs.com>
                         <Button
                             type="submit"
                             btnType="primary"
+                            size="default"
                             data-test-id="form-submit-button"
                             disabled={!this.state.isValid}>
                             {submitBtn}
 
                             }
                             onProcessAndValidate={onProcessAndValidate}
                             softwareProductId={softwareProductId}
-                            isReadOnlyMode={isReadOnlyMode}
+                            isReadOnlyMode={
+                                isReadOnlyMode ||
+                                (candidateInProcess && !goToOverview) ||
+                                !candidateInProcess
+                            }
                             version={version}
                         />
                     </Tab>
                     <Tab
                         tabId={tabsMapping.VALIDATION}
                         title="Validation"
-                        disabled={!isValidationAvailable || candidateInProcess}>
+                        disabled={
+                            goToOverview &&
+                            (!isValidationAvailable || candidateInProcess)
+                        }>
                         <HeatValidation {...other} />
                     </Tab>
                 </Tabs>