Gray rami communicantes:

carry presynaptic sympathetic fibers to every spinal nerve.
carry postsynaptic sympathetic fibers to every spinal nerve.
carry postsynaptic sympathetic fibers to spinal nerves from spinal cord segments T1-L2 only.
carry presynaptic sympathetic fibers from the spinal cord to the sympathetic trunk.
carry postsynaptic sympathetic fibers from the spinal cord to the sympathetic trunk.