replace Beta Update section with:
"The credit has been restructured to a list of 10 strategies. New strategies are included for (1) filtration of recirculated air, (2) increased ventilation at 15% above prerequisite levels, and (3) operable windows.
Referenced standards for Strategy 4. Filtration of recirculated air and Strategy 9. Carbon dioxide monitoring have been updated to recent versions as follows: :
 ASHRAE 52.2-2010  ASHRAE 52.2-2017
 EN 779-2002  ISO 16890-2016 ASHRAE 62.1-2010  ASHRAE 62.1-2016

Add RETAIL to the list of adaptations

Under Requirements, delete all language following Retail NC/CI section:

Reference Guide updates:
Under Guidance for this credit for BDC and IDC, replace the following modifications for Retail:
There are no substantive changes to the prerequisite requirements; refer to the LEED v4 reference guide, with the following addition:
Beta Update
Retail projects should now follow guidance for New Construction/Commercial Interiors. Retail-specific requirements are no longer applicable.

1.Under Beta Update:
Delete "Under In response to public comments and project team inquiries," from first sentence.
Revise third sentence to read as: "Further, if buildings or building elements cannot be re-used significantly, changes to the lifecycle analysis option of the credit encourage projects to conduct whole building life cycle assessment as an integral design component for many more buildings.

In second paragraph under Beta Update, replace "critical review" with "verification of the LCA"

1. Under Step-by-Step guidance, Option 1 EPD, Step 3: Count compliant products and materials and compile documentation, replace the first paragraph as follows:

1. Replace language under Documentation for wood and bio-based products with the following:
 Products with bio-based claims must be legally harvested by exporting and receiving country.
 Manufacturers/Programs must provide documentation on the specific product that includes the type of bio-based raw material used within the product. In addition, products must have either of the following:
o Confirmation the ASTM D6866 test method was conducted which validates the percent by weight of bio-based material within the product.

1. Under Further Explanation, Calculations, Equation 2, move location valuation factor definition under product cost and add location valuation factor definition as  Location valuation factor = multiplier for the extraction, manufacture, and purchase location (see MR Overview, Location Valuation Factor). Note: no single product may contribute more than 200% of cost.

2. Delete description under program valuation factor through Notes on Calculations.

"Projects that can demonstrate that no waste was created or that 100% of the waste was diverted can earn..." change to "Projects that can demonstrate that 100% of the waste was diverted can earn..."

"If a heat pump is installed with a programmable thermostat, the thermostat must be equipped with adaptive recovery. This technology enables the heating equipment to gradually adjust when the thermostat setting changes, preventing overdependence on the less efficient backup heating system." change to: "All homes must meet the following requirements.

"The mandatory minimum level... performance requirements of the ENERGY STAR for Homes program." change to "The mandatory minimum level... performance requirements of ENERGY STAR for Homes, Version 2006."

"No additional points are available for exemplary performance." change to "No additional points are available for exemplary performance. Projects that exceed the credit requirements are encouraged to use the performance pathway in EA 1.2."