Getting a VAT code at the start of the company - or anytime below the revenue threshold of 300 000 lei - is called in Romanian “înregistrarea în scopuri de TVA prin opțiune” (=en. Registering for VAT as an option)
More details: https://www.piroi.eu/my-business-in-romania/start/tax-details/getting-the-vat-code/below-the-revenue-threshold-of-ron-300000