Should a 3-field <select> date input use fieldset for grouping?

1. When should Fieldset be used?
2. Do I need to use Fieldset?
3. Should I use Fieldset HTML?
4. Which tag is used for field grouping in a form?

When should Fieldset be used?

The fieldset element is used to group related form controls and their labels within a web form. To mark-up for the fieldset includes a Start and an End tag. Multiple fieldset elements can be included inside a single form. In this example, there's a fieldset for contact details and a second fieldset for account details.

Do I need to use Fieldset?

Use the fieldset component when you need to show a relationship between multiple form inputs. For example, you may need to group a set of text inputs into a single fieldset when asking for an address.

Should I use Fieldset HTML?

You should use the fieldset and legend elements when you have a single multiple choice question as in you're using radio buttons or checkboxes or you have several questions relating to the same topic, like text boxes or any other type of field.

Which tag is used for field grouping in a form?

The <fieldset> tag is used to group related elements in a form.