"I've submitted a data access request - a subject access request - to find out why. But I imagine it's either because of Stonewall training or because a number of particularly venomous trans rights activists have reported me for spurious charges of transphobia."
In 2018 Linehan received a warning from West Yorkshire Police over an argument he had with a transgender activist online.
No reason for the failure to give accreditation has been provided.
However, applications for accreditation to the Conservative conference are done in collaboration with the police.
A subject access request gives individuals the right to access and receive a copy of their personal data, and other supplementary information held by an organisation.
After Linehan's application was denied, Hands was forced to look into the case and take personal action to ensure that he could still attend.
It is the writer's first time at the party conference, having previously admitted to being left wing.
Greater Manchester Police say they do not comment on accreditation.