TCPA (Telephone Consumer Protection Act)
Federal law (47 U.S.C. § 227) governing automated calls, prerecorded messages, and SMS communications. TCPA requires prior express written consent for telemarketing calls and restricts calling hours to 8am-9pm local time.
Related: TSR, FCC Regulations
TSR (Telemarketing Sales Rule)
FTC regulations (16 CFR Part 310) that govern telemarketing practices, including National Do Not Call Registry requirements, disclosure obligations, and prohibited practices.
Related: TCPA, Do Not Call
PEWC (Prior Express Written Consent)
Legal requirement under TCPA for obtaining explicit written consent before sending automated telemarketing calls or texts. Consent must be clear, unambiguous, and documented.
Related: Opt-In, Consent Management
Quiet Hours
Time restrictions on telemarketing calls. Federal TCPA requires calls between 8:00am and 9:00pm local time. Some states have stricter quiet hours that override federal rules.
Related: Calling Restrictions, Compliance Windows
DNC (Do Not Call)
National Do Not Call Registry maintained by the FTC. Consumers can register to opt out of telemarketing calls. Businesses must scrub against the registry unless they have prior express written consent.
Related: NDNCR, Suppression List
CTIA Guidelines
Mobile carrier best practices for SMS marketing published by CTIA (Cellular Telecommunications Industry Association). Guidelines cover consent, opt-out handling, and message content standards.
Related: Carrier Policies, SMS Compliance
10DLC (10-Digit Long Code)
Standard 10-digit phone numbers used for business SMS messaging. The Campaign Registry requires businesses to register brands and campaigns before sending SMS to US carriers.
Related: The Campaign Registry, TCR, A2P Messaging
Mini-TCPA
State laws that impose stricter requirements than federal TCPA. Several states have enacted mini-TCPA laws with different quiet hours, consent requirements, or calling restrictions.
Related: State Laws, Compliance