Recovery Rebate Credit for teenager

Our son is 18 (full time student) who has a part time job and earned about $1200 in 2020.

If he file his own individual tax return and we don't claim him as dependent, TurboTax says he is eligible for $1800 relief, $1200 from CARES act and $600  at end of 2020.

Is this legal and lawful to file this way and claim the $1800 for him?