The Acting Administrator of the Drug Enforcement Administration is issuing this temporary scheduling order to extend the temporary schedule I status of a synthetic cannabinoid, methyl 2-(1-(4- fluorobenzyl)-1H-indazole-3-carboxamido)-3-methylbutanoate (other names: FUB-AMB, MMB-FUBINACA, AMB-FUBINACA), including its optical, positional and geometric isomers, salts, and salts of isomers. The schedule I status of FUB-AMB currently is in effect until November 4, 2019. This temporary order will extend the temporary scheduling of FUB- AMB for one year, or until the permanent scheduling action for this substance is completed, whichever occurs first.