Yes, there is no such restrictions under the GST. However, it would be treated as any other form of supply of goods and/or services and chargeable to tax accordingly. Since the goods and/or services are supplied on his own behalf, provisions of collection of tax source do not apply to such transaction.
(ICAI FAQ PUBLICATIONS 06-09-2017 TAX PAYMENTS, INTEREST ,PENALTY AND OTHER AMOUNTS: FAQ NO. 48)