if your llc is taxed as a partnership, not updating your llc’s operating agreement could end up costing you power over the actions of your llc and money. in 2015, congress enacted the bipartisan budget agreement of 2015, or the bba. l. no. beginning january 1 of this year, the bba caused the internal revenue service’s audit rules for partnerships and businesses taxed as partnerships to change. l. no. 114-74, § 1101. in the past, the irs did not audit partnerships, it only audited members of partnerships. id.