A person must be a fit and proper person to drive a motor vehicle in the Republic of South Africa (RSA)
A person is disqualified from driving in the RSA:
(a) if he or she-
(i) in the case of any licence for a motor cycle, motor tricycle or motor quadrucycle having an engine with a cylinder capacity not exceeding 125 cubic centimetres or which is propelled by electrical power or which is a vehicle as contemplated in paragraph (b) of the definition of motor vehicle, is under the age of 16 years;
(ii) in the case of a learners licence for a light motor vehicle, being a motor vehicle not of a class referred to in subparagraph (i) and the tare of which does not exceed 3500 kilograms or, where such motor vehicle is-
(aa) a bus or goods vehicle, the gross vehicle mass of which does not exceed 3 500 kilograms;
(bb) an articulated motor vehicle, the gross combination mass of which does not exceed 3 500 kilograms,
is under the age of 17 years; or
(iii) in the case of any other licence, is under the age of 18 years;
(b) during any period in respect of which he or she has been declared by a competent court or authority to be disqualified from obtaining or holding a licence to drive a motor vehicle, while such disqualification remains in force;
(c) where a licence to drive a motor vehicle held by him or her has been suspended by a competent court or authority, while such suspension remains in force;
(d) where a licence to drive a motor vehicle held by him or her has been cancelled by a competent court or authority, for such period as he or she may not apply for a licence;
(e) if he or she is suffering from one of the following diseases or disabilities:
(i) Uncontrolled epilepsy;
(ii) sudden attacks of disabling giddiness or fainting due to hypertension or any other cause;
(iii) any form of mental illness to such an extent that it is necessary that he or she be detained, supervised, controlled and treated as a patient in terms of the Mental Health Act, 1973 (Act No. 18 of 1973);
(iv) any condition causing muscular incoordination;
(v) uncontrolled diabetes mellitus;
(vi) defective vision ascertained in accordance with a prescribed standard;
(vii) any other disease or physical defect which is likely to render him or her incapable of effectively driving and controlling a motor vehicle of the class to which such licence relates without endangering the safety of the public: Provided that deafness shall not of itself be deemed to be such a defect;
(g) if he or she is addicted to the use of any drug having a narcotic effect or the excessive use of intoxicating liquor; or
(h) in such other circumstance as may be prescribed, either generally or in respect of a particular class of learners or driving licence.