PSLF forgives remaining federal student loan debt after 10 years of qualifying payments, but the catch that trips people up most isn't the payments — it's making sure your employer actually counts as qualifying, and proving it along the way. * Qualifying employers include federal, state, local, or tribal government agencies, the military, Peace Corps and AmeriCorps, public schools and public colleges and universities, public child and family service agencies, and most 501(c)(3) nonprofit organizations. Working for a for-profit company generally doesn't qualify, even if the work itself feels public-service-oriented. * The application process runs through the PSLF Help Tool on studentaid.gov, which lets you search for your employer in its database and generates a pre-filled certification form, ready for both you and your employer to sign digitally rather than filling out paperwork by hand. * "Full-time" matters for certification purposes: you need to average at least 30 hours a week with a qualifying employer during the period you're certifying — part-time work below that threshold generally doesn't count toward your 120 required payments. * The single most important habit for staying on track is certifying your employment regularly — ideally once a year, and every single time you change jobs — rather than waiting until you think you've hit 10 years and hoping everything lines up. Certifying along the way catches employer-eligibility problems or missing payments early, while there's still time to fix them, instead of discovering a gap only when you finally apply for forgiveness.