Acronyms and Abbreviations
| ACH | Automated Clearing House |
| ADU | accessory dwelling unit |
| ALTA | American Land Title Association |
| AMC | appraisal management companies |
| AMI | area median incomes |
| APR | annual percentage rate |
| ARM | adjustable-rate mortgage |
| ASAP Plus | As Soon As Pooled Plus |
| ASAP Sale | As Soon As Pooled Sale |
| ASF | American Securitization Forum |
| ATR | ability to repay |
| AVM | automated valuation model |
| BPO | broker price opinion |
| bps | basis points |
| CLTV | combined loan-to-value |
| CMT | Constant Maturity Treasury |
| condo | unit in a condominium project |
| co-op | unit in a cooperative project |
| CPI | Consumer Price Index |
| CPIRT | Construction-to-Permanent Investor Reporting |
| CPM | Condo Project Manager |
| C-to-P | construction-to-permanent mortgage loan |
| CU | Collateral Underwriter |
| CUSIP | Committee on Uniform Security Identification Procedures |
| DO | Desktop Originator |
| DTI | Debt-to-income ratio |
| DU | Desktop Underwriter |
| EDI | Electronic Data Interface |
| FAIR | Fair Access to Insurance Requirement |
| FDIC | Federal Deposit Insurance Corporation |
| FEMA | Federal Emergency Management Agency |
| FHA | Federal Housing Administration |
| FHFA | Federal Housing Finance Agency |
| FHLBB | Federal Home Loan Bank Board |
| FHLMC | Federal Home Loan Mortgage Corporation |
| FRM | fixed-rate mortgage |
| GAAP | generally accepted accounting principles |
| GSE | government-sponsored enterprise |
| HCLTV | home equity combined loan-to-value |
| HELOC | home equity line of credit |
| HFA | Housing Finance Agency |
| HOA | homeowners’ association |
| HOEPA | Home Ownership and Equity Protection Act of 1994 |
| HUD | Department of Housing and Urban Development |
| IDR | Independent Dispute Resolution |
| IRS | Internal Revenue Service |
| LIBOR | London Interbank Offered Rate |
| LLC | limited liability company |
| LLPA | loan-level price adjustment |
| LOS | Loan Origination System |
| LPI | last paid installment |
| LQC | Loan Quality Center |
| LSDU | Loan Servicing Data Utility |
| LTV | loan-to-value |
| MBS | mortgage-backed security |
| MERS | Mortgage Electronic Registration Systems, Inc. |
| MI | mortgage insurance |
| MIC | mortgage insurance certificate |
| MIN | MERS identification number |
| MSA | metropolitan statistical area |
| MSSC | Mortgage Selling and Servicing Contract |
| MUD | municipal utility district |
| NCLTN | National Community Land Trust Network |
| NCUA | National Credit Union Administration |
| NPI | Nonpublic personal information |
| OFAC | Office of Foreign Assets Control |
| P&I | principal and interest |
| PAL | price-adjusted loan |
| PERS | Project Eligibility Review Service |
| PITI | principal, interest, taxes, and insurance |
| PITIA | principal, interest, taxes, insurance, and other assessments |
| PUD | planned unit development |
| RD | Rural Development |
| REIT | real estate investment trust |
| REMIC | Real Estate Mortgage Investment Conduit |
| REO | real estate owned |
| RHS | Rural Housing Service |
| RPM | rapid payment method |
| SEC | Securities and Exchange Commission |
| SFC | special feature code |
| SFHA | Special Flood Hazard Area |
| SIFMA | Securities Industry and Financial Markets Association |
| SMBS | stripped mortgage-backed security |
| SOFR | Secured Overnight Financing Rate |
| TBA | to be announced |
| TILA | Truth in Lending Act |
| T&I | taxes and insurance |
| UCC | Uniform Commercial Code |
| UETA | Uniform Electronic Transactions Act |
| UPB | unpaid principal balance |
| USPAP | Uniform Standards of Professional Appraisal Practice |
| VA | U.S. Department of Veterans Affairs |
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