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Decision fieldOpen accessEU VIES VAT Number ValidationEuropean UnionRemoveFree accountThreadloop Sewing Pattern DatabaseGlobalRemoveOpen accessSeam Allowance ConverterGlobalRemove
Decision fit
Primary jobCheck standardsFind patterns & fitFind patterns & fit
AreaStandardsPatterns & fitPatterns & fit
Best forChecking an EU supplier's stated VAT number and saving the dated validation response as one identity and invoicing controlSearching current and out-of-print sewing patternsWorking between pattern systems
Know before usingA valid VAT number is not proof of manufacturing capability, facility ownership, authorized bank instructions, product origin, tax advice, quality, capacity, certification, labor conditions, or delivery; names and addresses may not be returned for every country, and temporary database outages occur.Community members add and quality-control the records, so confirm sizing, measurements, fabric suggestions, format, availability, errata, license, and purchase terms with the designer or publisher. Adding an entry to a stash does not provide the pattern files. Saved searches and private PDF storage are paid Plus features, and a listing or review does not establish pattern accuracy or fit.A unit reference; the correct allowance depends on material, seam type, and production method.
Practical access
ForApparel brandsMakersBoth
Location or jurisdictionEuropean UnionGlobalGlobal
AccessOpen accessFree accountOpen access
FormatReferenceCommunityStitch Authority
Source typeOfficial registryCommunity databaseStitch Authority
Source and review
What the source establishesVIES is the European Commission's online VAT Information Exchange System interface for querying national VAT databases to determine whether a submitted number is valid for intra-EU cross-border trade at the time of the request.Threadloop's official guide describes an independent, fully crowdsourced database covering available and out-of-print sewing patterns. Its search supports pattern type, fabric type, age group, body type, cup size, level, format, file features, language, measurements, availability, and other filters; members can also track a stash, wishlist, projects, reviews, and discussions.The linked tool or guide is maintained inside Stitch Authority and was checked against its current public interface.
Linked page reviewedJul 15, 2026Jul 21, 2026Jul 15, 2026
Next review dueOct 13, 2026Jan 17, 2027Jul 15, 2027
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