It's an asset. Depending upon the kind of business and the size of the business you may need to list it in your balance sheet and reconciliation for book income vs. tax income. TT Business should ask you about this.
For corporations this would show up on 1120 Schedule L, M-1, M-2, which are optional for very small corporations (income and assets < $250k). See https://www.irs.gov/pub/irs-pdf/i1120.pdf, page 21. (This is only for corporations, LLCs and partnerships may be different).