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I want to enforce that all dates in my system are valid and not in the future, so I enforce them inside the custom model binder: class DateTimeModelBinder : IModelBinder { public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext) { var value = bindingContext.ValueProvider.GetValue(bindingContext.ModelName); try { var date = value.ConvertTo(typeof(DateTime), CultureInfo.CurrentCulture); // Here I want to ask first if the property has the FutureDateAttribute if ((DateTime)date > DateTime.Today) { bindingContext.ModelState.AddModelError(bindingContext.ModelName, "No se puede indicar una fecha mayor a hoy"); } return date; } catch (Exception) { bindingContext.ModelState.AddModelError(bindingContext.ModelName, "La fecha no es correcta"); return value.AttemptedValue; } } } Now, for a few exceptions I want to allow some dates to be in the future [Required] [Display(Name = "Future Date")] [DataType(DataType.DateTime)] [FutureDateTime] <-- this attribute should allow the exception public DateTime FutureFecha { get; set; } This is the Attribute [AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = false)] public class FutureDateTimeAttribute : Attribute { } Now, the question: How can I check that the attribute is present inside the BindModel method?

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