POSTAL SERVICE
39 CFR Part 111
New Standards for Letter-Sized Booklets
AGENCY: Postal Service™.
ACTION: Final rule.
SUMMARY: The Postal Service adopts new Mailing Standards of the United
States Postal Service, Domestic Mail Manual (DMM®) to reflect changes to the
construction and sealing of letter-sized booklets mailed at automation, presorted
machinable or carrier route letter prices. We also adopt a definition of booklets
and clarify weight standards for letter-sized mail.
EFFECTIVE DATE: September 8, 2009.
FURTHER INFORMATION CONTACT: Krista Finazzo, 202-268-7304; Bill
Chatfield, 202-268-7278; or Susan Thomas, 202-268-7268.
SUPPLEMENTARY INFORMATION:
On December 29, 2008, a proposed rule was published in Federal
Register (73 FR 79430-79435), that provided information on changes to tab
placement and construction of folded self-mailers and booklets. The proposed
rule followed two years of collaborative work with mailers to analyze and test a
wide variety of letter-size booklets and other letter-size mailpiece designs. In
response to the proposed rule, the Postal Service received more than 900
comments.
On February 3, 2009, a revision to our original proposal was announced in
the DMM Advisory and PCC Insider indicating that the design and tab placement
changes for folded self-mailers would become optional recommendations instead
of requirements. Current standards for folded self-mailers will remain in effect
and we will continue to work with the mailing community to test various folded
self-mailer designs. Mailers’ Technical Advisory Committee (MTAC) member
associations that have an interest in folded self-mailers will coordinate the
opportunity to participate in our research. We will publish recommendations
regarding folded self-mailers in September 2009. An additional proposed rule for
folded self-mailers will be published upon completion of the test of mailer-
supplied sample pieces.
Changes for Booklets
General
This final rule includes the new required DMM standards for design,
preparation, and sealing of machinable and automation letter-size booklets. We
also describe in this final rule, recommended upgrades to the new requirements.
We base these recommendations on observations of a wide variety of booklets
tested and observed over the past several years. Following these
recommendations will minimize mailpiece damage and maximize the efficient
processing of booklets.
Definition
Booklets consist of bound sheets or pages. Binding methods that are
compatible with machinable processing include perfect binding, permanent
fastening with at least two staples in the manufacturing fold (saddle stitched),
pressed glue, or another binding method that creates a nearly uniformly thick
mailpiece. Spiral bindings are not machinable so booklets prepared with spiral
bindings do not qualify for automation prices. Large booklets may be folded to
letter-size for mailing if the final mailpiece remains uniform in thickness.
Physical Characteristics
The maximum height for all machinable and automation booklets is six
inches and the maximum length can vary between 9 and 10-1/2 inches,
depending on the booklet design. The minimum thickness for booklets is 0.009
inch and the maximum thickness is 0.25 inch regardless of size. Thickness is
measured at the spine of the mailpiece.
The current maximum weight of 3 ounces has not changed and is
applicable to all mailpieces prepared without envelopes. However, to improve
machinability we recommend reducing the length of 3-ounce booklets to a final
trim size of 9 inches.
Cover stock requirements vary with 40-pound minimum basis weight for
folded booklet designs and 60- or 70-pound minimum basis weight for pieces
longer than 9 inches. Lighter-weight paper tends to be easily damaged in
processing equipment. The use of paper that is 10 pounds heavier than the
required minimum basis weight is recommended for better processing
performance. We strongly recommend using a minimum of 70-pound paper as
cover stock on mailpiece designs that approach maximum booklet dimensions.
References to paper weights are for book-grade paper unless otherwise
specified. A paper grade conversion table is included in DMM Exhibit 201.3.2 for
reference.
The bottom edge of booklets must be a bound edge or fold unless the
mailpiece is prepared as an oblong booklet. Oblong booklets must be prepared
with a spine on the leading edge. Booklets with a spine on the trailing edge are
nonmachinable.
Tabs used to seal booklets must not have perforations. Generally,
booklets need three 1-1/2 inch tabs as closures. For larger or heavier booklets,
we recommend 2-inch paper tabs. Glue spots or a continuous glue line may be
used to seal some booklet designs.
Booklets that do not comply with the new standards will not be eligible for
machinable or automation letter prices. Nonmachinable booklets will be
assessed a surcharge (for First-Class Mail®), pay nonmachinable prices (for
Standard Mail®), or pay nonbarcoded prices (for Periodicals).
Overview of Comments
We received more than 900 customer comments in response to the
proposed standards. Of these, 79 noted concerns about booklet design changes.
Many commenters expressed concerns about multiple issues. Below we describe
all comments and not those exclusively about booklets.
There were 442 comments concerning tabs without perforations. Of these,
287 were form letters or parts of form letters stating that tabs without perforations
would make mailpieces hard to open for the elderly and infirm. Six came from
manufacturers of tabs. Two mail preparers claim that mail with solid tabs went
unread. At the request of a group of mail owners, one mail preparer completed a
6-month study of response rates to mailpieces prepared with three solid tabs. No
appreciable change in response rate occurred.
Booklets with tabs that fail during high-speed processing sustain damage
and cause damage to other mailpieces. Our tests revealed that tabs with
perforations are easily broken, often do not maintain their integrity, and are
damaged in transport prior to entering the mailstream. To minimize tab failure,
tabs used to seal booklets claiming automation or machinable prices may not be
perforated. Solid tabs made of plastic, vinyl, translucent paper, opaque paper, or
cellophane tape is acceptable.
Tab placement generated 401 responses. Commenters cited the lack of
machinery capable of applying two tabs on the leading edge and one tab on the
trailing edge of each booklet, the cost of upgrading existing tabbing equipment,
and the amount of extra space required to install upgrades as reasons why they
objected to the proposed standards for tab placement. Three commenters stated
that the tabbing systems they purchased would become obsolete because they
can only apply tabs on the top open edges. There were 170 mailers concerned
about tab size. They objected to the introduction of minimum tab sizes that
exceed one inch because their equipment couldn’t apply tabs larger than one
inch.
We realize that using different size tabs on booklets, adding an additional
tab to the leading edge, and affixing them in locations that were until now
optional, will require some adjustments to customer manufacturing processes.
Some customers are already producing and mailing booklets with the tabbing
configurations required by the new standards despite the obstacles mentioned. In
addition, at least one manufacturer of tabbing machines is advertising a unit with
the capability of tabbing mail in the proposed locations.
Mailer and controlled tests demonstrate that using 1-1/2 inch tabs to seal
booklets in place of the smaller 1-inch tabs improved the productivity of
processing. Sorting booklets sealed with 1-1/2 inch tabs still reduced machine
throughput compared to processing other letter-size pieces. To improve
productivity and processing, 1-1/2inch tabs are required. We will continue to
monitor booklet processing performance.
The increase in the number of tabs required to seal booklets generated
179 comments. Remarks focused on the absence of notification, with some
commenters stating that the mailings they present now are not generating error
reports from the plants that process them. As booklet volumes increase in the
mailstream, processing operations must divert these mailings to manual or flat
mail operations to avoid mailpiece damage and machine down time. The USPS
generated numerous irregularity reports concerning poorly prepared booklets
over the past several years. These reports have documented instances of
jammed machines and torn mailpieces. Our experiences processing booklets as
live mailpieces and in a variety of controlled and customer-supplied mailpiece
tests show that the new standards are needed. Customers who observed their
own booklets being tested acknowledged that although their mail is currently
being charged automation or machinable prices, it cannot be machine sorted.
A number of commenters stated that we did not justify the amount of
added workload applying additional tabs would impose on the customer. Testing
demonstrated that the machine throughput when processing booklets with two 1inch
tabs on the top edge was half the throughput for booklets with two 1-1/2 inch
tabs on the lead edge and one tab on the trailing edge, and almost one fourth the
throughput for enveloped letter mail. Therefore, we believe this warrants the
changes.
Many commenters objected to the definition of a folded self-mailer. The
definition of folded self-mailers will be refined in conjunction with a subsequent
phase of testing customer-supplied samples and will be published at a later date
as part of the changes to folded self-mailer standards indicated by test results.
Only 31 customers expressed concerns about standards for static charge
and coefficient of friction. Some commenters wanted to know where to buy paper
that conformed to the standards while others asked how mail would be tested for
these characteristics in the acceptance units. We recommend this requirement
while further methods are explored to measure these standards. We recommend
testing your mailpieces for static charge and coefficient of friction when possible.
Forty-nine commenters asked that we delay changing standards for
booklets and folded self-mailers until the economy turns around. We believe that
implementing standards for booklets will improve the processing and cost
effective handling of these pieces. However, we will work with the mailing
community to further refine standards for folded self-mailers.
Some commenters wondered how they could determine if their mailpiece
was made of high tear strength paper. Paper distributors generally recognize
which of their products have high tear strength, and most papers sold in office
supply stores have adequate tear strength. High tear strength paper has
properties like a high fiber length, a low degree of beating, and for machine-made
papers, fiber orientation. Mailpieces made of high tear strength paper can be
sorted on automated processing equipment without tearing or shattering.
Some commenters objected to the increase in required paper grade for
the covers of booklets. Paper values published in the DMM varied by product.
Our new booklet illustrations and descriptions are based on book-grade paper.
Paper grades are printed on the packaging of reams, boxes, and rolls of paper.
The maximum weight of automation letters was a concern for some
customers. The proposal did not change the maximum allowable weight for
booklets. According to current standards in DMM 201.3.14.4, letters that weigh
more than 3 ounces must be prepared in a sealed envelope, therefore booklets
weighing more than 3 ounces must be prepared in sealed envelopes. Our
standards reflect this required mailpiece characteristic.
Based on the results of continued testing, a modification to the standards
was published in the Federal Register on December 29, 2008, increasing the
amount of acceptable tab overhang from 1/32 of an inch to 1/16 of an inch.
The Postal Service adopts the following changes to Mailing Standards of
the United States Postal Service, Domestic Mail Manual (DMM), incorporated by
reference in the Code of Federal Regulations. See 39 CFR 111.1.
List of Subjects in 39 CFR Part 111:
Administrative practice and procedure, Postal Service.
Accordingly, 39 CFR 111 is amended as follows.
PART 111 . [AMENDED]
1. The authority citation for 39 CFR Part 111 continues to read as follows:
Authority: 5 U.S.C. 552(a); 39 U.S.C. 101, 401, 403, 404, 414, 416, 30013011,
3201-3219, 3403-3406, 3621, 3622, 3626, 3632, 3633, and 5001.
2. Revise the following sections of Mailing Standards of the United States
Postal Service, Domestic Mail Manual (DMM) as follows:
Mailing Standards of the United States Postal Service, Domestic Mail
Manual (DMM)
* * * * *
200 Commercial Mail Letters and Cards
201 Physical Standards
1.0 Physical Standards for Machinable Letters and Cards
1.1 Physical Standards for Machinable Letters
* * * * *
1.1.3 All Machinable Letters
[Revise the first sentence of 1.1.3 as follows:]
All pieces of First-Class Mail and Standard Mail machinable letters must meet the
standards for automation-compatible letters in 201.3.0. * * *
* * * * *
3.0 Physical Standards for Automation Letters and Cards
[Revise text of 3.1 as follows:]
3.1 Basic Standards Automation Letters and Cards
Letters and cards claimed at any machinable, automation, or Standard Mail
carrier route price, must meet the standards in 3.0. Unless prepared as a folded
self-mailer, booklet, or postcard under 3.14 through 3.16, each machinable or
automation letter must be a sealed envelope (the preferred method) or, if
unenveloped, must be sealed or glued completely along all four sides.
[Delete current 3.4 through 3.6 in their entirety.]
[Renumber current 3.2 through 3.3 as new 3.3 through 3.4.]
[Add new 3.2 as follows:]
3.2 Paper Weight
Mailpieces should be constructed from high tear strength paper stock. All
references in 3.0 to paper basis weight are for book-grade paper unless
otherwise stated. The conversion table in Exhibit 3.2 provides a paper basis
weight cross-reference.
Exhibit 3.2 Paper Basis Weight Conversion Table
NOTE:
Paper basis weight is based on the weight of 500 sheets
of:
25 x 38 inch sheets of book-grade paper,
17 x 22 inch bond-grade paper,
20 x 26 inch sheets of cover-grade paper,
24 x 36 inch sheets of newsprint.
For example, if 500 sheets of book-grade paper weigh 39
pounds, the paper is considered 39-pound book paper.
Book
Wt.
Bond
Wt.
Cover
Wt.
NewsprintWt.
39 15 21 35
40 16 22 36
50 20 27 45
55 22 30 50
60 24 33 55
70 28 40 64
75 30 41 68
80 31 44 73
90 36 50 82
100 40 56 91
110 44 60 100
128 50 70 116
[Revise heading and introductory text of renumbered 3.3 as follows:]
3.3 Dimensions and Shape
Each machinable or automation letter-sized piece must be rectangular (see
1.1.1) and must meet the following standards (see 3.15 for booklets):
* * * * *
[Add new 3.5 as follows:]
3.5 Maximum Weight, Machinable and Automation Letters and Cards
The following maximum weight limits apply:
a.
Booklets and folded self-mailers — 3 ounces.
b. Machinable enveloped letters and cards — 3.3 ounces.
c.
Automation enveloped letters and cards — 3.5 ounces (see 3.6 for pieces
over 3 ounces.)
[Renumber current 3.14.4 as new 3.6 and revise heading and text as follows:]
3.6 Heavy Letter Mail (over 3 ounces)
Heavy letter mail (letter-size pieces over 3 ounces) must be prepared in a sealed
envelope, may not contain stiff enclosures, and must have an 11-digit delivery
point POSTNET or an Intelligent Mail barcode with a routing code in the address
block (see 202.5.0).
* * * * *
[Revise heading and text of 3.11 as follows:]
3.11 Tabs, Tape, and Glue
Tabs on booklets must be at least 1-1/2 inches in width. The tab placement
standards in 3.15 are subject to 1/4-inch variance in either direction. Tabs may
be made of opaque paper, translucent paper, vinyl or plastic, and must not
contain perforations. Cellophane tape may also be used as a closure. The
following standards also apply:
a.
Translucent paper tabs should be made of paper with a minimum of 40pound
basis weight.
b. Opaque paper tabs should be made of a minimum of 60-pound basis
weight paper with a tear strength of at least 56 grams of force in the
machine direction (MD) and 60 grams of force in the cross direction (CD).
c.
Tabs in the barcode clear zone must have a paper face meeting the
standards for background reflectance and, if the barcode is not preprinted
by the mailer, the standards for acceptance of water-based ink.
d. Vinyl tabs and cellophane tape closures are not acceptable within the
barcode clear zone.
e.
Tabs must be tight against the edge of the mailpiece. A maximum
1/16-inch overhang is recommended.
f.
Glue spots may be used in lieu of tabs and must be placed within 3/4 inch
of the open edges (see Exhibit 201.3.11.f).
Exhibit 201.3.11.f Glue Spot Placement
g. Continuous glue lines may be used as cover-to-cover seals and must be
placed along the entire length of the open edge and end no more than 3/4inch
from the open ends (see Exhibit 201.3.11.g).
Exhibit 201.3.11.g Glue Line Placement
* * * * *
[Revise the title of 3.14 and restructure as follows:]
3.14 Folded Self-Mailers
[Add new 3.14.1 to read as follows:]
3.14.1 General
The standards in 3.14.2 for folded self-mailers are basic requirements.
[Renumber current 3.14.1 as new 3.14.2.]
[Renumber current 3.14.2 as new 3.15 and revise as follows:]
3.15 Booklets
3.15.1 Definition
Booklets must have a bound edge. Sheets that are fastened with at least two
staples in the manufacturing fold (saddle stitched), perfect bound, pressed-glued,
or joined together by another binding method that produces an end where pages
are attached together are considered booklets. Booklets are open on three sides
before sealing, similar in design to a book. In general, booklets must be uniformly
thick. Large bound booklets that are folded for mailing qualify for automation and
machinable prices if the final mailpiece remains nearly uniform in thickness.
3.15.2 Paper
Booklet covers generally must be made with a minimum paper basis weight of
60-pounds or equivalent. Minimum basis weights are higher for some designs
(see 3.15.4).
3.15.3 Physical Standards for Booklets
Booklets must be:
a. Height: not more than 6 inches or less than 3.5 inches high.
b. Length: not more than 10.5 inches or less than 5 inches long. See Exhibit
3.15.4 for some booklet designs with shorter maximum lengths.
c. Thickness: not more than 0.25 inch or less than 0.009 inch thick.
d. Weight: not more than 3 ounces.
e. Aspect ratio: within 1.3 to 2.5 (see 201.3.1).
3.15.4 Booklet Design and Sealing
Booklets may be designed with the spine or final fold at the bottom or on the
leading edge. See Exhibit 3.15.4 for design and sealing standards.
10
Exhibit 3.15.4 Booklet Design
If the spine or final fold is… And the
length is…
The cover
stock must
be at least…
Mailers
must seal
the piece
with…
And place the tabs
in these locations…
5” to 9” long 50-pound
Three 1.5”
non-
perforated
tabs
Two tabs on leading
edge; one tab on
trailing edge. Position
lower leading tab 0.5
inch from the bottom
edge. Position upper
tabs 1 inch from the
top edge.
Spine or
fold on the
bottom
(longer)
edge
Over 9”, up
to 10.5” long 60-pound
Final fold
on the Folded Booklet
bottom Two tabs on leading
(longer)
edge, with
the folded
spine on
the leading
5” to 10.5”
long 40-pound
Three 1.5”
non-
perforated
tabs
edge; one tab on
trailing edge. Position
lower leading tab 0.5
inch from the bottom
edge. Position upper
or trailing tabs 1 inch from the
(shorter) top edge.
edge
5” to 9” long 60-pound Three 1.5”
non-
perforated
tabs
Two tabs on top
edge; one tab on
trailing edge. Position
top tabs 1 inch from
left and right edge.
Position trailing tab in
the middle.
Spine on
the leading
(shorter)
edge
Over 9”, up
to 10.5” long 70-pound
Spine on Perfect bound or
bottom saddle stitched with a
(longer) continuous glue line
edge, non-Continuous along flap preferred,
perforated glue line or minimum 1inch glue
inner flap 5” to 9.5” 80-pound glue spots spots acceptable if
on top long placed within ¾ inch
(upper) of right and left
edge edges.
[Renumber current 3.14.3 as new 3.16.]
[Renumber current 3.14.4 as new 3.6.]
[Renumber current 3.15 as new 3.17.]
* * * * *
Stanley F. Mires,
Chief Counsel, Legislative.
[END DOCUMENT]
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