Capitalising SaaS project costs to Tax Book (Only)

Summary:

Has anyone devised a means of capitalising Software-as-a-Service project costs to the tax book only?

Content (required):

Currently I am only aware of two possible options, both very fiddly/ manual - but SaaS being more and more common, I feel like there must be a better way??

Either -

• transfer costs to the corp book at zero cost, adjust cost in tax book, retire asset in corporate book, or;
• keep costs uncapitalizable, manually extract and load via FBDI to tax book

MOS note for reference on similar requirement and advice provided:

Version (include the version you are using, if applicable):