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Format a value as a canonical hyphenated EIN

Source: R/02-01-format-functions.R
as_EIN.Rd

Normalizes an Employer Identification Number to the canonical "NN-NNNNNNN" form, restoring a leading zero lost to numeric coercion. NA is returned unchanged.

Usage

as_EIN(x)

Arguments

x

A single EIN value (numeric or character).

Value

A canonical EIN string "NN-NNNNNNN", or NA if x is NA. Any non-digits (a prefix, an existing hyphen) are stripped first, and an 8-digit value (a leading zero lost to numeric coercion) is zero-padded back to nine before the hyphen is inserted.

See also

as_mm(), as_yyyy(), as_yyyymm()