Which of the following is NOT a requirement for the prescription of hypodermic syringes and needles?

The requirement regarding hypodermic syringes and needles typically mandates certain details to ensure the responsible dispensing of these items. Among these is the necessity for the prescriber to include the patient’s address, which helps verify the identity of the patient and provides vital information for record-keeping and safety.

Prescriber information is also critical; knowing the prescriber’s profession aids in confirming that the prescription is legitimate and issued by someone authorized to prescribe controlled substances or medical equipment. Additionally, a prescriber's signature is a fundamental requirement for any legal prescription, ensuring that the order has been officially authorized.

While the size of the syringe/needle can be critical for specific medical uses, it is not a strict regulatory or legal requirement that must be included in every prescription for hypodermic syringes and needles. Thus, it is acceptable for a prescription to be valid without detailing the specific size, making it the correct answer in this context. This highlights that while precise medical specifications may be important in practice, they do not form part of the mandated legal requirements for the prescription itself.