Operation.

Operation.
(1) Analog television receivers will receive program ratings transmitted pursuant to EIA–744: “Transport of Content Advisory Information Using Extended Data Service (XDS)” (incorporated by reference, see § 15.38) and EIA–608: “Recommended Practice for Line 21 Data Service” (incorporated by reference, see § 15.38). Blocking of programs shall occur when a program rating is received that meets the pre-determined user requirements.
(2) Digital television receivers shall react in a similar manner as analog televisions when programmed to block specific rating categories. Digital television receivers will receive program rating descriptors transmitted pursuant to industry standard EIA/CEA–766–A “U.S. and Canadian Region Rating Tables (RRT) and Content Advisory Descriptors for Transport of Content Advisory Information using ATSC A/65–A Program and System Information Protocol (PSIP),” 2001 (incorporated by reference, see § 15.38). Blocking of programs shall occur when a program rating is received that meets the pre-determined user requirements. Digital television receivers shall be able to respond to changes in the content advisory rating system.
(e) All television receivers as described in paragraph (a) of this section shall block programming as follows:
(1) Channel Blocking. Channel Blocking should occur as soon as a program rating packet with the appropriate Content Advisory or MPAA rating level is received. Program blocking is described as a receiver performing all of the following:
(1) Analog television receivers will receive program ratings transmitted pursuant to EIA–744: “Transport of Content Advisory Information Using Extended Data Service (XDS)” (incorporated by reference, see § 15.38) and EIA–608: “Recommended Practice for Line 21 Data Service” (incorporated by reference, see § 15.38). Blocking of programs shall occur when a program rating is received that meets the pre-determined user requirements.
(2) Digital television receivers shall react in a similar manner as analog televisions when programmed to block specific rating categories. Digital television receivers will receive program rating descriptors transmitted pursuant to industry standard EIA/CEA–766–A “U.S. and Canadian Region Rating Tables (RRT) and Content Advisory Descriptors for Transport of Content Advisory Information using ATSC A/65–A Program and System Information Protocol (PSIP),” 2001 (incorporated by reference, see § 15.38). Blocking of programs shall occur when a program rating is received that meets the pre-determined user requirements. Digital television receivers shall be able to respond to changes in the content advisory rating system.
(e) All television receivers as described in paragraph (a) of this section shall block programming as follows:
(1) Channel Blocking. Channel Blocking should occur as soon as a program rating packet with the appropriate Content Advisory or MPAA rating level is received. Program blocking is described as a receiver performing all of the following:

Source

47 CFR § 15.120


Scoping language

Effective July 1, 1999, manufacturers of television broadcast receivers as defined in section 15.3(w) of this chapter, including personal computer systems meeting that definition, must ensure that one-half of their product models with picture screens 33 cm (13 in) or larger in diameter shipped in interstate commerce or manufactured in the United States comply with the provisions of paragraphs (c), (d), and (e) of this section.

Is this correct? or