A debt schedule template usually lists one line per loan: balance, rate, next payment. It assumes every instrument earns interest the same way, balance times the annual rate divided by twelve. Real credit agreements do not all promise that. One law firm's worked comparison shows an 8% loan computed on a 360-day year returning 8.11% annually. That is an extra $11,111 a year on a $10,000,000 balance, money the flat-rate shortcut never charges. A schedule built on one assumed convention is wrong about at least one loan from the first period.
Averdale Millworks, a fictional custom cabinetry manufacturer, carries three instruments. A $4,000,000 term loan runs fixed at 7.35% on an Actual/360 basis. A $900,000 equipment note floats at one-month Term SOFR plus 275 basis points, and a $450,000 equipment lease runs fixed at 6.40%. Actual/360 alone lifts the term loan's effective rate to 7.4521%, adding $4,658.95 to year-one interest a flat annual-rate-over-twelve calculation misses entirely. The term loan's balloon and the equipment note's bullet payment both fall due in April 2028: a $2,330,261.16 wall neither lender's own paperwork discloses.
The pack extracts term, rate and amortization from each agreement into a Debt Register. Then it builds the Amortization Schedule, Interest Accrual and Maturity Ladder from those terms, not a default convention. A Debt Summary Note carries the wall and the reset history in language the CFO reads without opening a spreadsheet. Reminders fire ahead of each maturity and each SOFR reset. It sits beside the lender covenant reporting package for the covenant math those same agreements also drive.