What causes Transmit error code 1231?

As it turns out, the Transmit error: code 1231 can also occur in instances where computers part of the homegroup are not configured to be discovered over the network or Automatic Setup is not enabled.

What property transactions may fall into the category of a section 1231 gain?

The following transactions result in gain or loss subject to section 1231 treatment: Sales or exchanges of real property or depreciable personal property. This property must be used in a trade or business and held longer than 1 year. Generally, property held for the production of rents or royalties is considered to be used in a trade or business.

What is a "section 1231 loss"?

The term “ section 1231 loss” means any recognized loss from a sale or exchange or conversion described in subparagraph (A). the section 1231 gains shall be included only if and to the extent taken into account in computing gross income, and