Leave the Box 13 line blank - no code or amount.
if the amount reported in Box 13, Code W is "0", then don't make an entry for this item - there is nothing to report.
If there were a material amount reported in Box 13, Code W, then select "5) Section 754 Depreciation" (this is "specially allocated depreciation"). A section 754 depreciation adjustment reported on the supplemental information page of a K-1 does not usually need to be reported anywhere on the individual tax return.
See Entering a Section 754 or 743(b) adjustment on an individual return for additional information.
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