# Participation of Distributed Energy Resource Aggregations in Markets Operated by Regional Transmission Organizations and Independent System Operators; Notice of Correction in Federal Register of Compliance Deadline
On September 17, 2020, the Commission issued Order No. 2222. [^1] Order No. 2222 provides that “each [Regional Transmission Organization or Independent System Operator (RTO/ISO)] must file the tariff changes needed to implement the requirements of this final rule within 270 days of the publication date of this final rule in the *Federal Register* .” [^2]
[^1]*Participation of Distributed Energy Resource Aggregations in Markets Operated by Regional Transmission Organizations and Independent System Operators,* Order No. 2222, 172 FERC ¶ 61,247 (2020).
[^2]*Id.* PP 9, 360.
On October 21, 2020, notice of Order No. 2222 was published in the *Federal Register**,* 85 FR 67094, providing that: “Each RTO/ISO must file the tariff changes needed to implement the requirements of this final rule by September 17, 2021.”
On October 29, 2020, a correction regarding the October 21 notice concerning Order No. 2222 was published in the *Federal Register**,* 85 FR 68450, stating that: “ `September 17, 2021' should read `July 19, 2021'.”
Notice is hereby given that the deadline to submit filings to comply with Order No. 2222 has been corrected and is July 19, 2021.
Dated: October 29, 2020.
Nathaniel J. Davis, Sr.,
Deputy Secretary.