Final answer:
It's generally false that controlled substances can be mailed to clients, as mailing them is subject to strict regulations. Pharmacies can mail prescriptions if they comply with all regulations, but individuals cannot mail controlled substances without adhering to strict guidelines.
Step-by-step explanation:
In general, it's false that controlled substances can be mailed to clients without restrictions. The mailing of controlled substances, which includes prescriptions and other regulated medications, is subject to strict regulations and laws both federally and sometimes at the state level. The United States Postal Service (USPS), along with other carriers, follows guidelines provided by the Drug Enforcement Administration (DEA) and the Food and Drug Administration (FDA). These guidelines often require that the sender be registered with the DEA and comply with all shipping regulations, including proper labeling and packaging.
There are some conditions under which controlled substances can be mailed: for instance, pharmacies may mail prescriptions to clients if they follow all applicable regulations. However, individuals cannot simply mail these drugs willy-nilly. Failure to comply with these regulations can result in legal penalties, including fines and imprisonment, for both the sender and the receiver. Always check with the appropriate authorities or consult legal counsel before attempting to mail any controlled substance.