36 CFR §254.5

1. (a)Whenever the authorized officer determines it to be practicable, an assembled land exchange arrangement may be used to facilitate exchanges and reduce costs.
2. (b)The parties to an exchange may agree to such an arrangement where multiple ownership parcels of non-Federal lands are consolidated into a package for the purpose of completing one exchange transaction.
3. (c)An assembled land exchange arrangement must be documented in the agreement to initiate an exchange, pursuant to § 254.4 of this subpart.
4. (d)Value of the Federal and non-Federal lands involved in an assembled land exchange arrangement shall be estimated pursuant to § 254.9 of this subpart.